Table 5. Number of private sector establishments by age Total Private South Dakota Age Class March 1991 March 1992 March 1993 March 1994 March 1995 March 1996 Less than one year _ _ _ 1,609 1,615 1,575 1 year _ _ _ _ 1,321 1,262 2 years _ _ _ _ _ 1,168 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 _ _ _ _ _ _ Born before March 1993 18,692 19,546 19,506 18,272 17,374 16,510 Total 18,692 19,546 19,506 19,881 20,310 20,515 Age Class March 1997 March 1998 March 1999 March 2000 March 2001 March 2002 Less than one year 1,465 1,735 1,766 1,680 1,648 1,660 1 year 1,232 1,180 1,382 1,470 1,326 1,335 2 years 1,106 1,097 1,059 1,186 1,243 1,183 3 years 1,041 1,001 1,001 951 1,065 1,108 4 years _ 965 908 920 866 986 5 years _ _ 910 850 840 826 6 years _ _ _ 816 790 797 7 years _ _ _ _ 757 764 8 years _ _ _ _ _ 726 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 _ _ _ _ _ _ Born before March 1993 15,754 14,978 14,274 13,666 12,947 12,426 Total 20,598 20,956 21,300 21,539 21,482 21,811 Age Class March 2003 March 2004 March 2005 March 2006 March 2007 March 2008 Less than one year 1,562 1,646 1,775 1,707 1,668 1,565 1 year 1,348 1,297 1,373 1,454 1,410 1,382 2 years 1,181 1,192 1,157 1,229 1,294 1,232 3 years 1,090 1,058 1,101 1,069 1,110 1,165 4 years 1,025 1,022 982 1,022 996 1,026 5 years 879 958 974 903 953 923 6 years 770 854 904 927 866 880 7 years 745 739 812 866 876 810 8 years 717 712 723 745 830 833 9 years 693 685 674 693 711 797 10 years _ 659 639 639 658 681 11 years _ _ 629 615 614 625 12 years _ _ _ 603 595 589 13 years _ _ _ _ 588 580 14 years _ _ _ _ _ 567 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 _ _ _ _ _ _ Born before March 1993 12,028 11,715 11,403 11,042 10,758 10,475 Total 22,038 22,537 23,146 23,514 23,927 24,130 Age Class March 2009 March 2010 March 2011 March 2012 March 2013 March 2014 Less than one year 1,624 1,531 1,485 1,637 1,657 1,754 1 year 1,274 1,251 1,239 1,149 1,303 1,335 2 years 1,241 1,062 1,102 1,113 996 1,130 3 years 1,139 1,078 976 995 989 873 4 years 1,076 991 987 892 929 903 5 years 958 956 948 919 831 865 6 years 876 872 897 903 865 781 7 years 863 798 833 861 837 809 8 years 765 772 767 778 806 801 9 years 813 702 749 724 739 768 10 years 774 754 663 728 696 713 11 years 656 695 743 635 690 663 12 years 611 605 683 721 613 656 13 years 573 572 585 670 691 592 14 years 551 549 552 560 632 673 15 years 553 523 525 539 548 618 16 years _ 521 505 500 517 518 17 years _ _ 501 495 483 504 18 years _ _ _ 498 483 466 19 years _ _ _ _ 486 469 20 years _ _ _ _ _ 454 21 years _ _ _ _ _ _ 22 years _ _ _ _ _ _ 23 years _ _ _ _ _ _ 24 years _ _ _ _ _ _ 25 years _ _ _ _ _ _ 26 years _ _ _ _ _ _ 27 years _ _ _ _ _ _ 28 years _ _ _ _ _ _ 29 years _ _ _ _ _ _ Born before March 1993 10,272 9,921 9,739 9,542 9,282 9,010 Total 24,619 24,153 24,479 24,859 25,073 25,355 Age Class March 2015 March 2016 March 2017 March 2018 March 2019 March 2020 Less than one year 1,769 1,870 1,879 2,008 2,025 2,236 1 year 1,392 1,436 1,523 1,511 1,614 1,564 2 years 1,161 1,225 1,239 1,319 1,322 1,418 3 years 1,051 1,062 1,096 1,109 1,186 1,195 4 years 836 999 977 992 999 1,092 5 years 861 766 916 928 920 924 6 years 826 810 710 846 851 868 7 years 740 774 746 664 797 790 8 years 754 700 723 717 642 757 9 years 772 738 669 674 659 597 10 years 729 742 697 625 637 630 11 years 675 686 703 653 593 616 12 years 633 662 655 670 628 572 13 years 640 611 626 648 633 605 14 years 559 606 577 593 622 607 15 years 651 544 584 560 567 595 16 years 595 624 521 564 539 551 17 years 502 583 588 505 535 507 18 years 491 497 545 570 495 512 19 years 461 471 485 523 550 468 20 years 461 447 444 451 498 519 21 years 446 445 427 419 437 480 22 years _ 430 429 414 434 427 23 years _ _ 427 408 403 422 24 years _ _ _ 408 391 372 25 years _ _ _ _ 392 367 26 years _ _ _ _ _ 373 27 years _ _ _ _ _ _ 28 years _ _ _ _ _ _ 29 years _ _ _ _ _ _ Born before March 1993 8,815 8,581 8,309 8,035 7,792 7,497 Total 25,820 26,309 26,495 26,814 27,161 27,561 Age Class March 2021 March 2022 March 2023 Less than one year 2,562 3,585 3,379 1 year 1,812 1,989 2,652 2 years 1,446 1,597 1,716 3 years 1,299 1,320 1,433 4 years 1,128 1,209 1,194 5 years 1,023 1,047 1,126 6 years 865 989 977 7 years 813 817 921 8 years 766 768 781 9 years 710 718 715 10 years 584 689 693 11 years 602 561 634 12 years 594 564 536 13 years 567 564 540 14 years 581 531 540 15 years 576 561 511 16 years 572 553 533 17 years 519 541 526 18 years 492 493 504 19 years 506 471 468 20 years 452 489 453 21 years 491 436 463 22 years 458 473 421 23 years 430 440 452 24 years 378 414 415 25 years 352 377 393 26 years 360 342 364 27 years 368 352 329 28 years _ 351 334 29 years _ _ 339 Born before March 1993 7,277 7,019 6,786 Total 28,583 30,260 31,128 NOTE: A '_' indicates that the data are not available and a 'N' indicates that the data do not meet BLS disclosure standards.