Table 5. Number of private sector establishments by age Total Private District of Columbia Age Class March 1994 March 1995 March 1996 March 1997 March 1998 March 1999 Less than one year 1,895 2,076 2,302 1,719 1,466 1,383 1 year _ 1,439 1,695 1,761 1,382 1,075 2 years _ _ 1,256 1,362 1,372 1,177 3 years _ _ _ 1,016 1,102 1,180 4 years _ _ _ _ 894 950 5 years _ _ _ _ _ 769 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 _ _ _ _ _ _ Born before March 1993 16,121 14,578 13,547 11,817 11,132 10,409 Total 18,016 18,093 18,800 17,675 17,348 16,943 Age Class March 2000 March 2001 March 2002 March 2003 March 2004 March 2005 Less than one year 4,074 2,574 2,342 2,351 2,353 2,471 1 year 1,199 2,964 1,745 1,737 1,763 1,689 2 years 937 971 2,388 1,459 1,446 1,447 3 years 1,024 787 828 2,060 1,232 1,283 4 years 1,042 904 676 746 1,875 1,106 5 years 867 901 797 610 666 1,702 6 years 708 751 809 724 556 594 7 years _ 645 691 745 663 513 8 years _ _ 588 642 687 614 9 years _ _ _ 532 595 655 10 years _ _ _ _ 497 550 11 years _ _ _ _ _ 506 12 years _ _ _ _ _ _ 13 years _ _ _ _ _ _ 14 years _ _ _ _ _ _ 15 years _ _ _ _ _ _ 16 years _ _ _ _ _ _ 17 years _ _ _ _ _ _ 18 years _ _ _ _ _ _ Born before March 1993 10,014 9,328 8,756 8,249 7,755 7,375 Total 19,865 19,825 19,620 19,855 20,088 20,505 Age Class March 2006 March 2007 March 2008 March 2009 March 2010 March 2011 Less than one year 2,400 2,390 2,205 1,962 2,171 2,282 1 year 1,817 1,801 1,716 1,577 1,508 1,534 2 years 1,438 1,488 1,428 1,392 1,297 1,293 3 years 1,245 1,270 1,232 1,246 1,259 1,127 4 years 1,153 1,097 1,125 1,051 1,123 1,104 5 years 988 1,031 1,036 968 976 979 6 years 1,556 899 934 945 876 884 7 years 554 1,422 814 824 840 783 8 years 470 501 1,312 759 782 745 9 years 585 438 470 1,179 704 722 10 years 603 530 403 423 1,095 646 11 years 508 556 479 371 397 1,016 12 years 467 463 518 451 349 369 13 years _ 437 436 481 420 307 14 years _ _ 421 398 460 425 15 years _ _ _ 398 375 412 16 years _ _ _ _ 395 348 17 years _ _ _ _ _ 365 18 years _ _ _ _ _ _ Born before March 1993 7,038 6,697 6,411 6,130 5,722 5,437 Total 20,822 21,020 20,940 20,555 20,749 20,778 Age Class March 2012 Less than one year 2,373 1 year 1,632 2 years 1,335 3 years 1,172 4 years 1,020 5 years 978 6 years 924 7 years 818 8 years 736 9 years 728 10 years 686 11 years 616 12 years 954 13 years 364 14 years 300 15 years 395 16 years 387 17 years 331 18 years 353 Born before March 1993 5,307 Total 21,409 NOTE: A '_' indicates that the data are not available and a 'N' indicates that the data do not meet BLS disclosure standards.