Table 5. Number of private sector establishments by age Transportation and Warehousing Age Class March 1994 March 1995 March 1996 March 1997 March 1998 March 1999 Less than one year 18,974 21,118 21,006 21,145 21,215 21,229 1 year _ 14,777 16,289 16,110 16,163 16,814 2 years _ _ 12,413 13,602 13,459 13,899 3 years _ _ _ 10,767 11,720 11,871 4 years _ _ _ _ 9,497 10,429 5 years _ _ _ _ _ 8,601 6 years _ _ _ _ _ _ 7 years _ _ _ _ _ _ 8 years _ _ _ _ _ _ 9 years _ _ _ _ _ _ 10 years _ _ _ _ _ _ 11 years _ _ _ _ _ _ 12 years _ _ _ _ _ _ 13 years _ _ _ _ _ _ 14 years _ _ _ _ _ _ 15 years _ _ _ _ _ _ 16 years _ _ _ _ _ _ 17 years _ _ _ _ _ _ Born before March 1993 134,082 123,005 113,180 105,460 97,903 92,401 Total 153,056 158,900 162,888 167,084 169,957 175,244 Age Class March 2000 March 2001 March 2002 March 2003 March 2004 March 2005 Less than one year 20,947 18,210 17,733 17,484 17,042 17,788 1 year 16,256 15,961 15,405 14,163 14,599 14,360 2 years 14,003 13,150 13,404 12,824 12,048 12,574 3 years 11,798 11,757 11,107 11,367 11,200 10,702 4 years 10,376 10,166 10,063 9,626 10,041 10,023 5 years 9,161 9,093 8,865 8,773 8,588 8,983 6 years 7,655 8,211 8,105 8,096 7,905 7,776 7 years _ 6,958 7,334 7,333 7,336 7,265 8 years _ _ 6,233 6,721 6,776 6,731 9 years _ _ _ 5,668 6,198 6,323 10 years _ _ _ _ 5,246 5,795 11 years _ _ _ _ _ 4,896 12 years _ _ _ _ _ _ 13 years _ _ _ _ _ _ 14 years _ _ _ _ _ _ 15 years _ _ _ _ _ _ 16 years _ _ _ _ _ _ 17 years _ _ _ _ _ _ Born before March 1993 86,377 81,002 75,952 71,520 67,981 64,917 Total 176,573 174,508 174,201 173,575 174,960 178,133 Age Class March 2006 March 2007 March 2008 March 2009 March 2010 March 2011 Less than one year 19,115 18,854 17,364 15,426 13,332 15,860 1 year 15,143 15,903 15,184 13,916 12,362 11,310 2 years 12,379 13,014 13,255 12,585 11,618 10,897 3 years 11,014 10,872 11,211 10,963 10,644 10,392 4 years 9,617 9,830 9,484 9,493 9,456 9,601 5 years 9,090 8,685 8,772 8,249 8,355 8,683 6 years 8,245 8,322 7,909 7,684 7,388 7,791 7 years 7,202 7,568 7,513 7,025 6,902 6,779 8 years 6,694 6,632 6,877 6,710 6,387 6,439 9 years 6,260 6,230 6,081 6,169 6,148 6,012 10 years 5,903 5,804 5,759 5,449 5,705 5,718 11 years 5,479 5,543 5,408 5,234 5,029 5,376 12 years 4,675 5,127 5,200 4,982 4,842 4,735 13 years _ 4,409 4,871 4,803 4,602 4,585 14 years _ _ 4,153 4,473 4,432 4,353 15 years _ _ _ 3,828 4,164 4,206 16 years _ _ _ _ 3,537 4,004 17 years _ _ _ _ _ 3,412 Born before March 1993 62,448 60,038 57,796 54,845 52,083 50,113 Total 183,264 186,831 186,837 181,834 176,986 180,266 NOTE: A '_' indicates that the data are not available and a 'N' indicates that the data do not meet BLS disclosure standards.