Table 6. Private sector employment by establishment age Mining, Quarrying, and Oil and Gas Extraction Age Class March 1991 March 1992 March 1993 March 1994 March 1995 March 1996 Less than one year _ _ _ 20,977 22,949 18,133 1 year _ _ _ _ 19,321 25,451 2 years _ _ _ _ _ 19,249 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 645,851 596,308 567,069 539,695 506,070 482,673 Total 645,851 596,308 567,069 560,672 548,340 545,506 Age Class March 1997 March 1998 March 1999 March 2000 March 2001 March 2002 Less than one year 21,731 19,875 21,728 18,104 16,756 16,515 1 year 18,201 22,204 17,786 18,072 21,163 16,304 2 years 26,756 16,402 18,777 15,605 19,329 20,098 3 years 18,343 27,384 14,740 16,487 17,055 17,383 4 years _ 17,997 23,855 13,958 17,147 14,553 5 years _ _ 15,664 18,217 13,489 15,893 6 years _ _ _ 14,920 16,184 11,537 7 years _ _ _ _ 14,126 14,807 8 years _ _ _ _ _ 14,433 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 474,689 467,015 406,256 382,650 388,059 364,668 Total 559,720 570,877 518,806 498,013 523,308 506,191 Age Class March 2003 March 2004 March 2005 March 2006 March 2007 March 2008 Less than one year 13,807 14,929 15,787 18,220 23,751 20,472 1 year 15,071 13,662 17,126 19,125 21,914 29,205 2 years 15,237 15,885 13,352 20,520 20,843 23,632 3 years 17,556 16,172 17,295 14,085 22,469 21,778 4 years 16,341 18,146 16,945 19,882 15,058 23,657 5 years 14,021 17,728 17,962 19,143 20,892 15,817 6 years 14,719 13,520 17,397 18,696 19,538 20,619 7 years 10,985 14,821 15,560 17,521 19,682 20,132 8 years 13,625 10,967 15,475 15,598 18,267 20,459 9 years 13,190 13,632 11,005 16,660 16,304 19,794 10 years _ 13,050 14,184 11,417 16,888 16,231 11 years _ _ 12,923 14,574 11,915 17,189 12 years _ _ _ 13,779 15,464 11,982 13 years _ _ _ _ 14,478 15,838 14 years _ _ _ _ _ 16,037 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 343,595 341,004 351,005 373,281 383,417 390,760 Total 488,147 503,516 536,016 592,501 640,880 683,602 Age Class March 2009 March 2010 March 2011 March 2012 March 2013 March 2014 Less than one year 17,891 13,626 18,573 23,487 20,452 20,205 1 year 20,903 18,413 19,982 25,551 28,975 23,728 2 years 25,158 19,069 22,568 24,965 25,802 30,723 3 years 20,067 21,158 21,622 25,354 22,841 27,204 4 years 19,540 17,928 24,520 26,094 24,081 22,665 5 years 22,904 16,321 19,914 27,336 25,312 24,624 6 years 14,328 19,434 17,321 22,234 26,195 26,615 7 years 19,661 13,705 21,523 19,530 20,482 26,539 8 years 18,129 16,648 15,021 23,728 18,561 20,812 9 years 19,400 15,770 17,809 16,941 22,387 18,159 10 years 18,906 17,256 16,759 19,652 17,167 21,365 11 years 15,040 16,730 18,581 18,159 18,142 17,809 12 years 15,890 13,620 17,753 19,086 16,644 18,843 13 years 10,901 14,119 14,894 19,014 19,243 16,060 14 years 15,267 9,906 15,944 16,643 19,072 20,286 15 years 14,860 14,329 9,893 17,531 16,103 17,581 16 years _ 13,249 15,405 10,318 18,018 15,763 17 years _ _ 13,243 16,904 10,440 18,458 18 years _ _ _ 13,873 16,862 10,396 19 years _ _ _ _ 12,800 15,957 20 years _ _ _ _ _ 12,237 21 years _ _ _ _ _ _ 22 years _ _ _ _ _ _ 23 years _ _ _ _ _ _ 24 years _ _ _ _ _ _ 25 years _ _ _ _ _ _ 26 years _ _ _ _ _ _ 27 years _ _ _ _ _ _ 28 years _ _ _ _ _ _ 29 years _ _ _ _ _ _ 30 years _ _ _ _ _ _ Born before March 1993 377,437 348,947 369,101 400,923 396,570 387,502 Total 666,282 620,228 690,426 787,323 796,149 813,531 Age Class March 2015 March 2016 March 2017 March 2018 March 2019 March 2020 Less than one year 17,698 10,544 13,369 17,913 15,396 12,094 1 year 20,933 14,460 11,222 18,071 23,261 14,567 2 years 22,639 15,430 15,294 13,623 20,166 20,795 3 years 30,839 15,742 14,836 17,476 13,940 18,034 4 years 25,625 20,510 16,496 18,316 18,917 11,814 5 years 22,021 16,791 21,424 17,777 18,223 16,564 6 years 22,679 14,712 16,360 24,918 18,327 15,540 7 years 25,111 15,881 13,515 19,060 25,137 16,165 8 years 24,813 16,878 14,342 15,094 19,398 20,646 9 years 18,865 18,191 15,823 14,958 15,113 15,851 10 years 16,388 13,406 16,239 17,097 15,928 13,237 11 years 18,682 12,081 12,956 17,693 17,620 13,278 12 years 16,225 13,422 11,116 14,250 17,781 14,387 13 years 18,522 11,678 12,971 11,731 14,242 14,745 14 years 14,648 14,463 11,385 13,521 11,754 13,051 15 years 19,805 11,513 13,756 11,573 13,645 10,436 16 years 16,712 13,908 10,809 15,333 11,300 11,630 17 years 14,471 11,469 11,181 11,130 15,037 9,817 18 years 16,312 11,545 10,388 11,242 11,356 13,524 19 years 9,627 11,916 11,218 9,979 11,367 10,668 20 years 15,137 6,856 11,373 10,398 9,953 9,073 21 years 11,563 12,150 6,748 11,894 10,214 9,614 22 years _ 8,795 10,725 6,564 11,577 8,719 23 years _ _ 8,778 11,871 6,413 9,806 24 years _ _ _ 9,672 10,703 6,456 25 years _ _ _ _ 9,718 9,459 26 years _ _ _ _ _ 8,093 27 years _ _ _ _ _ _ 28 years _ _ _ _ _ _ 29 years _ _ _ _ _ _ 30 years _ _ _ _ _ _ Born before March 1993 375,571 315,830 287,960 294,729 295,316 272,883 Total 794,886 628,171 600,284 655,883 681,802 620,946 Age Class March 2021 March 2022 March 2023 March 2024 Less than one year 8,929 12,110 13,353 10,072 1 year 9,404 10,099 14,644 12,879 2 years 11,331 11,129 11,793 13,427 3 years 15,501 12,307 12,827 11,931 4 years 12,772 17,655 13,951 12,228 5 years 8,892 13,357 20,172 13,511 6 years 12,597 9,363 13,952 19,606 7 years 11,433 12,902 9,572 12,622 8 years 12,222 12,049 13,676 9,554 9 years 14,751 12,398 13,147 13,205 10 years 11,419 16,229 13,521 12,421 11 years 10,306 12,150 17,456 13,006 12 years 9,510 10,168 12,428 17,180 13 years 10,427 10,216 11,546 11,496 14 years 11,647 11,168 10,881 11,109 15 years 9,403 12,385 12,366 10,372 16 years 8,523 11,625 13,580 10,896 17 years 8,494 9,303 11,338 13,752 18 years 7,716 9,359 9,078 11,413 19 years 10,704 7,576 9,613 8,750 20 years 8,677 11,238 9,227 9,177 21 years 6,990 8,478 12,226 8,529 22 years 7,577 6,569 9,097 11,409 23 years 6,550 7,226 6,979 8,119 24 years 7,335 6,739 7,562 7,167 25 years 4,984 8,063 6,950 7,369 26 years 7,385 5,421 6,675 6,593 27 years 6,107 7,458 7,967 6,251 28 years _ 6,783 6,878 7,172 29 years _ _ 7,253 7,088 30 years _ _ _ 6,736 Born before March 1993 227,613 233,019 242,893 244,024 Total 499,199 534,542 582,601 579,064 NOTE: A '_' indicates that the data are not available and a 'N' indicates that the data do not meet BLS disclosure standards.