Table 5. Number of private sector establishments by age Total Private Illinois Age Class March 1991 March 1992 March 1993 March 1994 March 1995 March 1996 Less than one year _ _ _ 22,973 25,037 23,571 1 year _ _ _ _ 18,739 19,874 2 years _ _ _ _ _ 16,073 3 years _ _ _ _ _ _ 4 years _ _ _ _ _ _ 5 years _ _ _ _ _ _ 6 years _ _ _ _ _ _ 7 years _ _ _ _ _ _ 8 years _ _ _ _ _ _ 9 years _ _ _ _ _ _ 10 years _ _ _ _ _ _ 11 years _ _ _ _ _ _ 12 years _ _ _ _ _ _ 13 years _ _ _ _ _ _ 14 years _ _ _ _ _ _ 15 years _ _ _ _ _ _ 16 years _ _ _ _ _ _ 17 years _ _ _ _ _ _ 18 years _ _ _ _ _ _ 19 years _ _ _ _ _ _ 20 years _ _ _ _ _ _ 21 years _ _ _ _ _ _ 22 years _ _ _ _ _ _ 23 years _ _ _ _ _ _ 24 years _ _ _ _ _ _ 25 years _ _ _ _ _ _ 26 years _ _ _ _ _ _ 27 years _ _ _ _ _ _ 28 years _ _ _ _ _ _ 29 years _ _ _ _ _ _ 30 years _ _ _ _ _ _ Born before March 1993 215,261 223,437 225,624 208,785 195,372 181,282 Total 215,261 223,437 225,624 231,758 239,148 240,800 Age Class March 1997 March 1998 March 1999 March 2000 March 2001 March 2002 Less than one year 20,196 22,282 21,659 21,454 21,379 20,845 1 year 19,405 16,312 18,400 17,334 17,356 16,453 2 years 17,506 16,994 14,255 15,923 15,119 14,601 3 years 14,455 15,873 15,295 12,814 14,233 13,301 4 years _ 13,337 14,505 13,992 11,521 12,624 5 years _ _ 12,168 13,375 12,733 10,393 6 years _ _ _ 11,332 12,266 11,803 7 years _ _ _ _ 10,483 11,351 8 years _ _ _ _ _ 9,769 9 years _ _ _ _ _ _ 10 years _ _ _ _ _ _ 11 years _ _ _ _ _ _ 12 years _ _ _ _ _ _ 13 years _ _ _ _ _ _ 14 years _ _ _ _ _ _ 15 years _ _ _ _ _ _ 16 years _ _ _ _ _ _ 17 years _ _ _ _ _ _ 18 years _ _ _ _ _ _ 19 years _ _ _ _ _ _ 20 years _ _ _ _ _ _ 21 years _ _ _ _ _ _ 22 years _ _ _ _ _ _ 23 years _ _ _ _ _ _ 24 years _ _ _ _ _ _ 25 years _ _ _ _ _ _ 26 years _ _ _ _ _ _ 27 years _ _ _ _ _ _ 28 years _ _ _ _ _ _ 29 years _ _ _ _ _ _ 30 years _ _ _ _ _ _ Born before March 1993 171,364 162,751 154,648 147,067 139,512 132,013 Total 242,926 247,549 250,930 253,291 254,602 253,153 Age Class March 2003 March 2004 March 2005 March 2006 March 2007 March 2008 Less than one year 21,111 21,730 21,804 24,272 22,420 19,825 1 year 16,670 17,043 16,977 17,144 19,128 17,254 2 years 14,253 14,402 14,530 15,015 14,944 16,253 3 years 12,995 12,760 12,768 13,140 13,518 13,159 4 years 12,055 11,864 11,364 11,700 12,056 12,132 5 years 11,611 11,083 10,787 10,637 10,811 10,955 6 years 9,654 10,643 10,113 10,030 9,806 9,939 7 years 10,934 8,973 9,881 9,568 9,378 9,148 8 years 10,582 10,221 8,321 9,319 8,971 8,722 9 years 9,103 9,905 9,436 7,885 8,794 8,453 10 years _ 8,618 9,185 8,984 7,500 8,247 11 years _ _ 8,143 8,806 8,535 7,271 12 years _ _ _ 7,815 8,324 8,139 13 years _ _ _ _ 7,373 7,877 14 years _ _ _ _ _ 7,077 15 years _ _ _ _ _ _ 16 years _ _ _ _ _ _ 17 years _ _ _ _ _ _ 18 years _ _ _ _ _ _ 19 years _ _ _ _ _ _ 20 years _ _ _ _ _ _ 21 years _ _ _ _ _ _ 22 years _ _ _ _ _ _ 23 years _ _ _ _ _ _ 24 years _ _ _ _ _ _ 25 years _ _ _ _ _ _ 26 years _ _ _ _ _ _ 27 years _ _ _ _ _ _ 28 years _ _ _ _ _ _ 29 years _ _ _ _ _ _ 30 years _ _ _ _ _ _ Born before March 1993 126,323 120,835 114,830 111,449 107,273 103,528 Total 255,291 258,077 258,139 265,764 268,831 267,979 Age Class March 2009 March 2010 March 2011 March 2012 March 2013 March 2014 Less than one year 19,000 19,273 18,392 19,489 17,369 18,516 1 year 14,903 14,407 14,948 14,300 15,132 13,723 2 years 14,398 12,576 12,599 13,037 12,282 13,374 3 years 14,010 12,633 11,368 11,298 11,602 11,200 4 years 11,607 12,442 11,577 10,397 10,225 10,671 5 years 10,791 10,464 11,506 10,714 9,496 9,538 6 years 9,858 9,808 9,752 10,676 9,872 9,024 7 years 8,991 9,103 9,156 9,088 9,806 9,381 8 years 8,355 8,311 8,536 8,638 8,497 9,431 9 years 8,058 7,748 7,800 8,080 8,114 8,159 10 years 7,920 7,459 7,283 7,366 7,671 7,802 11 years 7,687 7,395 7,075 6,937 6,926 7,364 12 years 6,778 7,196 7,107 6,875 6,547 6,657 13 years 7,632 6,342 6,872 6,911 6,601 6,346 14 years 7,371 7,241 6,022 6,587 6,504 6,346 15 years 6,719 7,027 7,055 5,733 6,234 6,337 16 years _ 6,384 6,767 6,764 5,422 6,062 17 years _ _ 6,087 6,487 6,447 5,224 18 years _ _ _ 5,830 6,141 6,179 19 years _ _ _ _ 5,538 5,949 20 years _ _ _ _ _ 5,314 21 years _ _ _ _ _ _ 22 years _ _ _ _ _ _ 23 years _ _ _ _ _ _ 24 years _ _ _ _ _ _ 25 years _ _ _ _ _ _ 26 years _ _ _ _ _ _ 27 years _ _ _ _ _ _ 28 years _ _ _ _ _ _ 29 years _ _ _ _ _ _ 30 years _ _ _ _ _ _ Born before March 1993 99,143 95,504 92,701 89,416 85,818 83,621 Total 263,221 261,313 262,603 264,623 262,244 266,218 Age Class March 2015 March 2016 March 2017 March 2018 March 2019 March 2020 Less than one year 21,194 22,735 23,962 22,145 22,834 20,261 1 year 14,602 17,041 17,788 18,987 17,406 18,109 2 years 11,917 12,788 14,827 15,610 16,491 15,317 3 years 11,967 10,745 11,352 13,395 13,738 14,729 4 years 10,108 10,962 9,642 10,386 12,011 12,431 5 years 9,799 9,317 9,919 8,845 9,438 11,109 6 years 8,699 9,107 8,579 9,220 8,041 8,917 7 years 8,345 8,204 8,415 7,886 8,510 7,446 8 years 8,760 7,876 7,563 7,881 7,313 7,881 9 years 8,781 8,330 7,374 7,093 7,334 6,767 10 years 7,612 8,338 7,780 6,974 6,615 6,757 11 years 7,309 7,209 7,810 7,303 6,503 6,199 12 years 6,888 6,947 6,732 7,323 6,883 5,992 13 years 6,268 6,566 6,506 6,393 6,887 6,373 14 years 5,994 6,003 6,126 6,156 5,999 6,405 15 years 6,094 5,709 5,669 5,869 5,788 5,596 16 years 6,047 5,775 5,394 5,346 5,500 5,425 17 years 5,791 5,802 5,540 5,092 5,064 5,188 18 years 4,914 5,598 5,486 5,277 4,879 4,697 19 years 5,842 4,736 5,306 5,204 5,010 4,742 20 years 5,751 5,597 4,489 4,989 4,917 4,727 21 years 5,031 5,501 5,350 4,291 4,782 4,644 22 years _ 4,811 5,283 5,070 4,069 4,511 23 years _ _ 4,574 5,060 4,758 3,827 24 years _ _ _ 4,410 4,825 4,540 25 years _ _ _ _ 4,199 4,542 26 years _ _ _ _ _ 3,983 27 years _ _ _ _ _ _ 28 years _ _ _ _ _ _ 29 years _ _ _ _ _ _ 30 years _ _ _ _ _ _ Born before March 1993 80,799 77,344 74,025 71,406 68,312 65,235 Total 268,512 273,041 275,491 277,611 278,106 276,350 Age Class March 2021 March 2022 March 2023 March 2024 Less than one year 24,916 28,584 27,909 25,427 1 year 17,136 19,458 21,972 21,808 2 years 16,448 15,348 16,808 18,576 3 years 14,294 15,100 13,689 14,825 4 years 13,861 13,314 13,671 12,244 5 years 11,706 12,997 12,207 12,531 6 years 10,575 11,075 12,004 11,194 7 years 8,435 9,943 10,275 11,072 8 years 7,153 7,996 9,217 9,583 9 years 7,447 6,760 7,269 8,640 10 years 6,461 7,058 6,316 6,747 11 years 6,436 6,158 6,666 5,868 12 years 5,920 6,182 5,734 6,196 13 years 5,758 5,710 5,858 5,378 14 years 6,090 5,488 5,476 5,529 15 years 6,178 5,780 5,232 5,110 16 years 5,306 5,917 5,408 4,935 17 years 5,152 5,095 5,521 5,102 18 years 4,959 4,926 4,829 5,293 19 years 4,534 4,737 4,680 4,565 20 years 4,570 4,321 4,449 4,416 21 years 4,444 4,361 4,110 4,256 22 years 4,429 4,264 4,101 3,912 23 years 4,320 4,237 4,036 3,925 24 years 3,644 4,141 4,037 3,853 25 years 4,289 3,532 3,950 3,827 26 years 4,314 4,131 3,338 3,742 27 years 3,773 4,211 3,903 3,199 28 years _ 3,589 4,005 3,682 29 years _ _ 3,443 3,822 30 years _ _ _ 3,281 Born before March 1993 62,082 59,805 57,279 55,167 Total 284,630 294,218 297,392 297,705 NOTE: A '_' indicates that the data are not available and a 'N' indicates that the data do not meet BLS disclosure standards.