Numbers of Educational Instruction and Library Occupations in Iowa
Occupation group
Educational Instruction and Library Occupations
Year | Number |
---|---|
2004 | 84,340 |
2005 | 86,220 |
2006 | 87,470 |
2007 | 94,620 |
2008 | 89,930 |
2009 | 98,090 |
2010 | 97,030 |
2011 | 95,180 |
2012 | 96,500 |
2013 | 98,370 |
2014 | 97,830 |
2015 | 98,440 |
2016 | 101,120 |
2017 | 104,000 |
2018 | 106,270 |
2019 | 108,930 |
Individual occupations
Business Teachers, Postsecondary
Year | Number |
---|---|
2004 | 930 |
2005 | 800 |
2006 | 870 |
2007 | 1,070 |
2008 | 1,030 |
2009 | 1,190 |
2010 | 1,240 |
2011 | 1,250 |
2012 | 1,190 |
2013 | 1,100 |
2014 | 1,020 |
2015 | 1,020 |
2016 | 1,040 |
2017 | 1,060 |
2018 | 1,110 |
2019 | 1,110 |
Computer Science Teachers, Postsecondary
Year | Number |
---|---|
2004 | 430 |
2005 | 470 |
2006 | 450 |
2007 | 460 |
2008 | 360 |
2009 | 350 |
2010 | 320 |
2011 | 360 |
2012 | 400 |
2013 | 350 |
2014 | 300 |
2015 | 290 |
2016 | 350 |
2017 | 380 |
2018 | 380 |
2019 | 370 |
Mathematical Science Teachers, Postsecondary
Year | Number |
---|---|
2004 | 460 |
2005 | 460 |
2006 | 500 |
2007 | 570 |
2008 | 560 |
2009 | 830 |
2010 | 810 |
2011 | 830 |
2012 | 600 |
2013 | 540 |
2014 | 560 |
2015 | 580 |
2016 | 650 |
2017 | 640 |
2018 | 640 |
2019 | 620 |
Architecture Teachers, Postsecondary
Year | Number |
---|---|
2007 | 50 |
2008 | 50 |
2009 | 50 |
2012 | 70 |
2013 | 70 |
2015 | 70 |
2016 | 70 |
2017 | 80 |
2018 | 70 |
2019 | 70 |
Engineering Teachers, Postsecondary
Year | Number |
---|---|
2007 | 400 |
2008 | 410 |
2009 | 260 |
2010 | 250 |
2011 | 260 |
2012 | 410 |
2013 | 480 |
2014 | 510 |
2015 | 570 |
2016 | 610 |
2017 | 540 |
2018 | 570 |
2019 | 530 |
Agricultural Sciences Teachers, Postsecondary
Year | Number |
---|---|
2004 | 250 |
2007 | 260 |
2008 | 260 |
2009 | 220 |
2010 | 210 |
2011 | 190 |
2012 | 240 |
2013 | 240 |
2014 | 260 |
2015 | 250 |
2016 | 280 |
2017 | 290 |
2018 | 280 |
2019 | 270 |
Biological Science Teachers, Postsecondary
Year | Number |
---|---|
2004 | 570 |
2005 | 660 |
2006 | 620 |
2007 | 770 |
2008 | 650 |
2009 | 660 |
2010 | 560 |
2011 | 610 |
2012 | 640 |
2013 | 640 |
2014 | 620 |
2015 | 590 |
2016 | 680 |
2017 | 720 |
2018 | 730 |
2019 | 630 |
Atmospheric, Earth, Marine, and Space Sciences Teachers, Postsecondary
Year | Number |
---|---|
2004 | 60 |
2005 | 60 |
2006 | 60 |
2007 | 60 |
2008 | 60 |
2009 | 100 |
2010 | 90 |
2011 | 100 |
2012 | 60 |
2013 | 60 |
2014 | 50 |
2015 | 50 |
2016 | 50 |
2017 | 50 |
2018 | 50 |
2019 | 60 |
Chemistry Teachers, Postsecondary
Year | Number |
---|---|
2004 | 170 |
2005 | 190 |
2006 | 240 |
2007 | 270 |
2008 | 250 |
2009 | 230 |
2010 | 190 |
2011 | 220 |
2012 | 220 |
2013 | 240 |
2014 | 220 |
2015 | 210 |
2016 | 220 |
2017 | 240 |
2018 | 240 |
2019 | 230 |
Environmental Science Teachers, Postsecondary
Year | Number |
---|---|
2007 | 50 |
2008 | 50 |
2009 | 50 |
2010 | 70 |
2011 | 90 |
2012 | 90 |
2013 | 90 |
2014 | 80 |
2015 | 80 |
2016 | 80 |
2017 | 80 |
2018 | 90 |
2019 | 90 |
Physics Teachers, Postsecondary
Year | Number |
---|---|
2004 | 130 |
2005 | 130 |
2006 | 160 |
2007 | 180 |
2008 | 170 |
2009 | 130 |
2010 | 100 |
2011 | 100 |
2012 | 150 |
2013 | 160 |
2014 | 160 |
2015 | 150 |
2016 | 140 |
2017 | 160 |
2018 | 160 |
2019 | 170 |
Anthropology and Archeology Teachers, Postsecondary
Year | Number |
---|---|
2004 | 50 |
2005 | 60 |
2006 | 60 |
2007 | 60 |
2008 | 50 |
2009 | 60 |
2010 | 40 |
2011 | 50 |
2012 | 60 |
2013 | 60 |
2014 | 50 |
2015 | 50 |
2016 | 60 |
2017 | 60 |
2018 | 50 |
2019 | 50 |
Area, Ethnic, and Cultural Studies Teachers, Postsecondary
Year | Number |
---|---|
2008 | 40 |
2009 | 40 |
2010 | 60 |
2011 | 70 |
2012 | 70 |
2019 | 50 |
Economics Teachers, Postsecondary
Year | Number |
---|---|
2004 | 150 |
2005 | 130 |
2006 | 140 |
2007 | 180 |
2008 | 170 |
2009 | 170 |
2010 | 150 |
2011 | 170 |
2012 | 170 |
2013 | 170 |
2014 | 160 |
2015 | 170 |
2016 | 170 |
2017 | 170 |
2018 | 150 |
2019 | 150 |
Geography Teachers, Postsecondary
Year | Number |
---|---|
2005 | 30 |
2007 | 30 |
2011 | 30 |
2012 | 30 |
2016 | 30 |
2017 | 30 |
2019 | 40 |
Political Science Teachers, Postsecondary
Year | Number |
---|---|
2004 | 130 |
2005 | 130 |
2006 | 150 |
2007 | 170 |
2008 | 160 |
2009 | 150 |
2010 | 130 |
2011 | 140 |
2012 | 150 |
2013 | 170 |
2014 | 150 |
2015 | 140 |
2016 | 130 |
2017 | 140 |
2018 | 130 |
2019 | 140 |
Psychology Teachers, Postsecondary
Year | Number |
---|---|
2004 | 310 |
2005 | 340 |
2006 | 360 |
2007 | 360 |
2008 | 320 |
2009 | 290 |
2010 | 310 |
2011 | 390 |
2012 | 440 |
2013 | 440 |
2014 | 380 |
2015 | 370 |
2016 | 410 |
2017 | 420 |
2018 | 430 |
2019 | 390 |
Sociology Teachers, Postsecondary
Year | Number |
---|---|
2004 | 140 |
2005 | 140 |
2006 | 180 |
2007 | 240 |
2008 | 240 |
2009 | 370 |
2010 | 310 |
2011 | 340 |
2012 | 220 |
2013 | 240 |
2014 | 170 |
2015 | 170 |
2016 | 180 |
2017 | 210 |
2018 | 220 |
2019 | 240 |
Social Sciences Teachers, Postsecondary, All Other
Year | Number |
---|---|
2004 | 80 |
2005 | 60 |
2006 | 70 |
2007 | 70 |
2008 | 90 |
2009 | 90 |
2010 | 130 |
2011 | 140 |
2012 | 120 |
2013 | 60 |
2014 | 60 |
2015 | 60 |
2016 | 0 |
2017 | 140 |
2018 | 140 |
2019 | 200 |
Health Specialties Teachers, Postsecondary
Year | Number |
---|---|
2007 | 1,930 |
2008 | 1,850 |
2009 | 1,830 |
2010 | 1,870 |
2011 | 2,280 |
2012 | 2,400 |
2013 | 3,030 |
2014 | 2,610 |
2015 | 2,580 |
2016 | 2,550 |
2017 | 2,720 |
2018 | 2,760 |
2019 | 3,270 |
Nursing Instructors and Teachers, Postsecondary
Year | Number |
---|---|
2004 | 530 |
2005 | 580 |
2006 | 610 |
2007 | 500 |
2008 | 510 |
2009 | 450 |
2010 | 600 |
2011 | 710 |
2012 | 750 |
2013 | 650 |
2014 | 530 |
2015 | 480 |
2016 | 520 |
2017 | 740 |
2018 | 760 |
2019 | 870 |
Education Teachers, Postsecondary
Year | Number |
---|---|
2004 | 620 |
2005 | 690 |
2006 | 670 |
2007 | 650 |
2008 | 620 |
2009 | 660 |
2010 | 720 |
2011 | 760 |
2012 | 820 |
2013 | 550 |
2014 | 570 |
2015 | 500 |
2016 | 780 |
2017 | 770 |
2018 | 760 |
2019 | 1,090 |
Library Science Teachers, Postsecondary
Year | Number |
---|---|
2004 | 100 |
2005 | 90 |
2006 | 110 |
2007 | 70 |
2008 | 70 |
2009 | 30 |
2010 | 30 |
2011 | 40 |
2012 | 60 |
2013 | 50 |
2016 | 50 |
2017 | 50 |
2018 | 50 |
2019 | 50 |
Criminal Justice and Law Enforcement Teachers, Postsecondary
Year | Number |
---|---|
2004 | 60 |
2005 | 80 |
2006 | 100 |
2007 | 120 |
2008 | 110 |
2009 | 90 |
2010 | 100 |
2011 | 130 |
2012 | 130 |
2013 | 160 |
2014 | 110 |
2015 | 100 |
2016 | 130 |
2017 | 130 |
2018 | 130 |
2019 | 90 |
Law Teachers, Postsecondary
Year | Number |
---|---|
2010 | 100 |
2011 | 100 |
2012 | 100 |
2013 | 90 |
2014 | 100 |
2015 | 100 |
2016 | 50 |
2017 | 60 |
2018 | 60 |
2019 | 140 |
Social Work Teachers, Postsecondary
Year | Number |
---|---|
2004 | 90 |
2005 | 80 |
2006 | 90 |
2007 | 100 |
2008 | 70 |
2009 | 70 |
2010 | 60 |
2011 | 60 |
2012 | 60 |
2013 | 100 |
2014 | 120 |
2015 | 120 |
2016 | 130 |
2017 | 130 |
2018 | 130 |
2019 | 90 |
Art, Drama, and Music Teachers, Postsecondary
Year | Number |
---|---|
2004 | 760 |
2005 | 740 |
2006 | 780 |
2007 | 810 |
2008 | 810 |
2009 | 810 |
2010 | 800 |
2011 | 940 |
2012 | 970 |
2013 | 850 |
2014 | 870 |
2015 | 840 |
2016 | 1,070 |
2017 | 1,050 |
2018 | 1,110 |
2019 | 1,220 |
Communications Teachers, Postsecondary
Year | Number |
---|---|
2004 | 360 |
2005 | 350 |
2006 | 330 |
2007 | 400 |
2008 | 410 |
2009 | 430 |
2010 | 390 |
2011 | 510 |
2012 | 550 |
2013 | 580 |
2014 | 510 |
2015 | 480 |
2016 | 460 |
2017 | 470 |
2018 | 480 |
2019 | 550 |
English Language and Literature Teachers, Postsecondary
Year | Number |
---|---|
2004 | 570 |
2005 | 590 |
2006 | 670 |
2007 | 750 |
2008 | 680 |
2009 | 650 |
2010 | 620 |
2011 | 650 |
2012 | 710 |
2013 | 650 |
2014 | 650 |
2015 | 690 |
2016 | 760 |
2017 | 940 |
2018 | 910 |
2019 | 810 |
Foreign Language and Literature Teachers, Postsecondary
Year | Number |
---|---|
2004 | 220 |
2005 | 220 |
2006 | 230 |
2007 | 240 |
2008 | 230 |
2009 | 250 |
2010 | 230 |
2011 | 250 |
2012 | 250 |
2013 | 240 |
2014 | 230 |
2015 | 230 |
2016 | 310 |
2017 | 320 |
2018 | 310 |
2019 | 340 |
History Teachers, Postsecondary
Year | Number |
---|---|
2004 | 180 |
2005 | 180 |
2006 | 210 |
2007 | 250 |
2008 | 230 |
2009 | 230 |
2010 | 240 |
2011 | 280 |
2012 | 300 |
2013 | 240 |
2014 | 220 |
2015 | 200 |
2016 | 220 |
2017 | 250 |
2018 | 240 |
2019 | 250 |
Philosophy and Religion Teachers, Postsecondary
Year | Number |
---|---|
2004 | 240 |
2005 | 240 |
2006 | 270 |
2007 | 280 |
2008 | 290 |
2009 | 290 |
2010 | 290 |
2011 | 300 |
2012 | 320 |
2013 | 300 |
2014 | 270 |
2015 | 260 |
2016 | 350 |
2017 | 350 |
2018 | 360 |
2019 | 320 |
Family and Consumer Sciences Teachers, Postsecondary
Year | Number |
---|---|
2007 | 130 |
2008 | 120 |
2009 | 90 |
2010 | 90 |
2011 | 0 |
2012 | 70 |
2013 | 70 |
Recreation and Fitness Studies Teachers, Postsecondary
Year | Number |
---|---|
2004 | 120 |
2005 | 160 |
2006 | 170 |
2007 | 230 |
2008 | 200 |
2009 | 220 |
2010 | 160 |
2011 | 180 |
2012 | 160 |
2013 | 230 |
2014 | 230 |
2015 | 240 |
2016 | 270 |
2017 | 280 |
2018 | 270 |
2019 | 200 |
Career/Technical Education Teachers, Postsecondary
Year | Number |
---|---|
2004 | 740 |
2005 | 900 |
2006 | 780 |
2007 | 880 |
2008 | 1,080 |
2009 | 1,140 |
2010 | 1,230 |
2011 | 1,380 |
2012 | 1,670 |
2013 | 1,690 |
2014 | 1,260 |
2015 | 1,100 |
2016 | 1,280 |
2017 | 1,500 |
2018 | 1,510 |
2019 | 1,320 |
Postsecondary Teachers, All Other
Year | Number |
---|---|
2004 | 3,000 |
2005 | 3,650 |
2006 | 3,350 |
2007 | 3,000 |
2008 | 4,050 |
2009 | 4,340 |
2010 | 4,840 |
2011 | 3,260 |
2012 | 2,800 |
2013 | 3,020 |
2014 | 3,740 |
2015 | 4,110 |
2016 | 3,520 |
2017 | 2,470 |
2018 | 2,250 |
2019 | 1,900 |
Preschool Teachers, Except Special Education
Year | Number |
---|---|
2004 | 3,220 |
2005 | 3,210 |
2006 | 3,430 |
2007 | 3,660 |
2008 | 3,800 |
2009 | 3,530 |
2010 | 3,220 |
2011 | 3,200 |
2012 | 3,470 |
2013 | 3,610 |
2014 | 4,040 |
2015 | 3,900 |
2016 | 3,830 |
2017 | 4,330 |
2018 | 4,770 |
2019 | 4,970 |
Kindergarten Teachers, Except Special Education
Year | Number |
---|---|
2004 | 1,620 |
2005 | 1,530 |
2006 | 1,470 |
2007 | 1,330 |
2008 | 1,380 |
2009 | 1,380 |
2010 | 1,350 |
2011 | 1,680 |
2012 | 1,740 |
2013 | 1,780 |
2014 | 1,210 |
2015 | 990 |
2016 | 980 |
2017 | 870 |
2018 | 800 |
2019 | 1,090 |
Elementary School Teachers, Except Special Education
Year | Number |
---|---|
2004 | 17,390 |
2005 | 17,720 |
2006 | 18,390 |
2007 | 18,380 |
2008 | 18,480 |
2009 | 18,450 |
2010 | 19,280 |
2011 | 17,040 |
2012 | 16,010 |
2013 | 16,220 |
2014 | 16,470 |
2015 | 15,830 |
2016 | 17,190 |
2017 | 18,180 |
2018 | 19,040 |
2019 | 18,720 |
Middle School Teachers, Except Special and Career/Technical Education
Year | Number |
---|---|
2004 | 6,900 |
2005 | 8,250 |
2006 | 9,180 |
2007 | 9,050 |
2008 | 7,650 |
2009 | 6,870 |
2010 | 5,850 |
2011 | 6,370 |
2012 | 5,860 |
2013 | 6,330 |
2014 | 5,790 |
2015 | 6,540 |
2016 | 6,270 |
2017 | 7,120 |
2018 | 7,940 |
2019 | 7,920 |
Career/Technical Education Teachers, Middle School
Year | Number |
---|---|
2004 | 180 |
2005 | 210 |
2006 | 190 |
2007 | 160 |
2008 | 130 |
2009 | 140 |
2010 | 120 |
2011 | 150 |
2012 | 110 |
2013 | 150 |
2014 | 90 |
2015 | 80 |
2016 | 30 |
2017 | 0 |
2018 | 60 |
2019 | 70 |
Secondary School Teachers, Except Special and Career/Technical Education
Year | Number |
---|---|
2004 | 12,170 |
2005 | 11,930 |
2006 | 11,760 |
2007 | 12,660 |
2008 | 12,900 |
2009 | 13,610 |
2010 | 12,320 |
2011 | 12,390 |
2012 | 12,440 |
2013 | 11,710 |
2014 | 11,900 |
2015 | 12,270 |
2016 | 12,030 |
2017 | 13,030 |
2018 | 13,010 |
2019 | 11,950 |
Career/Technical Education Teachers, Secondary School
Year | Number |
---|---|
2004 | 1,300 |
2005 | 1,110 |
2006 | 1,020 |
2007 | 890 |
2008 | 950 |
2009 | 980 |
2010 | 950 |
2011 | 910 |
2012 | 850 |
2013 | 770 |
2014 | 670 |
2015 | 620 |
2016 | 530 |
2017 | 520 |
2018 | 420 |
2019 | 510 |
Special Education Teachers, Preschool
Year | Number |
---|---|
2012 | 0 |
2013 | 240 |
2014 | 180 |
2015 | 280 |
2016 | 170 |
2017 | 180 |
2018 | 90 |
2019 | 80 |
Special Education Teachers, Elementary School
Year | Number |
---|---|
2004 | 2,240 |
2005 | 2,410 |
2006 | 2,470 |
2007 | 3,040 |
2008 | 2,790 |
2009 | 2,640 |
2010 | 2,410 |
2012 | 2,150 |
2013 | 2,070 |
2014 | 1,690 |
2015 | 1,500 |
2016 | 1,430 |
2017 | 1,450 |
2018 | 1,400 |
Special Education Teachers, Middle School
Year | Number |
---|---|
2004 | 1,070 |
2005 | 1,380 |
2006 | 1,470 |
2007 | 1,360 |
2008 | 950 |
2009 | 710 |
2010 | 590 |
2011 | 760 |
2012 | 870 |
2013 | 1,030 |
2014 | 1,000 |
2015 | 860 |
2016 | 580 |
2017 | 380 |
2018 | 750 |
2019 | 810 |
Special Education Teachers, Secondary School
Year | Number |
---|---|
2004 | 1,930 |
2005 | 1,960 |
2006 | 1,700 |
2007 | 1,800 |
2008 | 1,970 |
2009 | 1,850 |
2010 | 1,440 |
2011 | 1,370 |
2012 | 1,340 |
2013 | 1,120 |
2014 | 1,070 |
2015 | 1,180 |
2016 | 1,200 |
2017 | 1,320 |
2018 | 1,080 |
2019 | 1,350 |
Special Education Teachers, All Other
Year | Number |
---|---|
2012 | 250 |
2013 | 530 |
2014 | 490 |
2015 | 460 |
2016 | 160 |
2017 | 210 |
2018 | 210 |
2019 | 200 |
Adult Basic Education, Adult Secondary Education, and English as a Second Language Instructors
Year | Number |
---|---|
2004 | 330 |
2005 | 340 |
2006 | 430 |
2007 | 420 |
2008 | 440 |
2009 | 280 |
2010 | 380 |
2011 | 0 |
2012 | 580 |
2013 | 270 |
2014 | 150 |
2015 | 160 |
2016 | 250 |
2017 | 450 |
2018 | 480 |
2019 | 450 |
Self-Enrichment Teachers
Year | Number |
---|---|
2004 | 1,230 |
2005 | 0 |
2006 | 840 |
2007 | 620 |
2008 | 590 |
2009 | 700 |
2010 | 800 |
2011 | 1,160 |
2012 | 1,270 |
2013 | 1,190 |
2014 | 1,550 |
2015 | 1,650 |
2016 | 1,910 |
2017 | 1,550 |
2018 | 1,650 |
2019 | 1,960 |
Teachers and Instructors, All Other
Year | Number |
---|---|
2004 | 3,350 |
2005 | 3,570 |
2006 | 4,110 |
2007 | 5,030 |
2008 | 0 |
2009 | 7,000 |
2012 | 960 |
2013 | 1,170 |
Curators
Year | Number |
---|---|
2004 | 100 |
2005 | 90 |
2006 | 100 |
2007 | 80 |
2008 | 110 |
2009 | 110 |
2010 | 100 |
2011 | 90 |
2012 | 80 |
2013 | 100 |
2014 | 120 |
2015 | 120 |
2016 | 140 |
2017 | 140 |
2018 | 150 |
2019 | 160 |
Museum Technicians and Conservators
Year | Number |
---|---|
2004 | 80 |
2005 | 90 |
2006 | 110 |
2007 | 110 |
2008 | 80 |
2009 | 90 |
2010 | 80 |
2011 | 80 |
2012 | 120 |
2013 | 110 |
2014 | 90 |
2015 | 60 |
2016 | 70 |
2017 | 90 |
2018 | 90 |
2019 | 100 |
Librarians and Media Collections Specialists
Year | Number |
---|---|
2004 | 1,460 |
2005 | 1,460 |
2006 | 1,380 |
2007 | 1,260 |
2008 | 1,240 |
2009 | 1,250 |
2010 | 1,330 |
2011 | 1,350 |
2012 | 1,480 |
2013 | 1,660 |
2014 | 1,600 |
2015 | 1,630 |
2016 | 1,520 |
2017 | 1,570 |
2018 | 1,550 |
2019 | 1,690 |
Library Technicians
Year | Number |
---|---|
2004 | 1,680 |
2005 | 2,050 |
2006 | 1,700 |
2007 | 1,820 |
2008 | 1,820 |
2009 | 2,100 |
2010 | 2,050 |
2011 | 2,110 |
2012 | 1,910 |
2013 | 1,630 |
2014 | 1,320 |
2015 | 1,210 |
2016 | 1,300 |
2017 | 1,340 |
2018 | 1,200 |
2019 | 1,300 |
Farm and Home Management Educators
Year | Number |
---|---|
2005 | 330 |
2006 | 390 |
2007 | 380 |
2008 | 250 |
2009 | 90 |
2010 | 70 |
2011 | 50 |
2012 | 120 |
2013 | 260 |
2014 | 270 |
2015 | 250 |
2016 | 210 |
2017 | 180 |
2018 | 260 |
2019 | 200 |
Instructional Coordinators
Year | Number |
---|---|
2004 | 1,360 |
2005 | 1,580 |
2006 | 1,210 |
2007 | 1,650 |
2008 | 1,160 |
2009 | 1,140 |
2010 | 1,150 |
2011 | 1,280 |
2012 | 1,280 |
2013 | 1,250 |
2014 | 1,210 |
2015 | 1,610 |
2016 | 1,830 |
2017 | 1,780 |
2018 | 1,610 |
2019 | 2,300 |
Teaching Assistants, Preschool, Elementary, Middle, and Secondary School, Except Special Education
Year | Number |
---|---|
2004 | 14,430 |
2005 | 13,820 |
2006 | 12,910 |
2007 | 14,330 |
2008 | 16,300 |
2009 | 17,150 |
2010 | 17,330 |
2011 | 16,320 |
2012 | 16,850 |
2013 | 17,810 |
2014 | 18,730 |
2015 | 19,440 |
2016 | 19,030 |
2017 | 19,440 |
2018 | 19,890 |
Teaching Assistants, Postsecondary
Year | Number |
---|---|
2009 | 630 |
2011 | 720 |
2012 | 0 |
2013 | 550 |
2014 | 410 |
2015 | 410 |
2016 | 0 |
2017 | 280 |
2018 | 160 |
2019 | 290 |
Educational Instruction and Library Workers, All Other
Year | Number |
---|---|
2004 | 810 |
2005 | 970 |
2006 | 980 |
2007 | 1,000 |
2008 | 690 |
2009 | 570 |
2010 | 310 |
2011 | 390 |
2012 | 470 |
2013 | 840 |
2014 | 890 |
2015 | 830 |
2016 | 1,080 |
2017 | 1,030 |
2018 | 1,000 |
2019 | 460 |