Table 6. Private sector employment by establishment age Professional, Scientific, and Technical Services Age Class March 1994 March 1995 March 1996 March 1997 March 1998 March 1999 Less than one year 261,247 264,667 270,760 328,377 320,952 346,763 1 year _ 273,021 275,475 286,326 355,216 337,417 2 years _ _ 271,916 286,807 292,926 363,200 3 years _ _ _ 273,152 287,384 292,038 4 years _ _ _ _ 281,632 290,243 5 years _ _ _ _ _ 275,912 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 4,844,233 4,769,124 4,643,793 4,540,762 4,508,502 4,470,662 Total 5,105,480 5,306,812 5,461,944 5,715,424 6,046,612 6,376,235 Age Class March 2000 March 2001 March 2002 March 2003 March 2004 March 2005 Less than one year 354,511 342,168 334,900 270,606 258,824 254,883 1 year 378,288 388,248 342,254 333,588 285,317 282,571 2 years 355,610 384,139 343,899 317,726 313,679 293,233 3 years 373,574 364,698 334,193 317,925 308,169 316,554 4 years 300,677 374,751 320,558 306,753 317,841 308,041 5 years 291,769 290,811 321,001 301,384 292,799 312,849 6 years 271,772 287,241 255,418 294,005 292,767 288,265 7 years _ 266,550 253,194 242,436 276,590 290,256 8 years _ _ 238,148 236,900 233,889 272,965 9 years _ _ _ 229,655 227,409 234,764 10 years _ _ _ _ 218,316 232,184 11 years _ _ _ _ _ 216,487 12 years _ _ _ _ _ _ 13 years _ _ _ _ _ _ 14 years _ _ _ _ _ _ 15 years _ _ _ _ _ _ 16 years _ _ _ _ _ _ 17 years _ _ _ _ _ _ 18 years _ _ _ _ _ _ Born before March 1993 4,401,927 4,305,760 3,985,806 3,815,404 3,719,249 3,689,107 Total 6,728,128 7,004,366 6,729,371 6,666,382 6,744,849 6,992,159 Age Class March 2006 March 2007 March 2008 March 2009 March 2010 March 2011 Less than one year 264,193 272,717 261,152 228,363 218,476 224,146 1 year 284,080 288,321 292,852 259,370 222,979 229,651 2 years 292,884 285,187 291,343 276,592 244,206 231,628 3 years 301,267 291,058 285,890 271,783 261,300 246,692 4 years 323,069 299,482 283,988 266,486 257,203 259,975 5 years 314,448 324,544 294,804 263,206 252,380 255,313 6 years 321,197 307,875 320,379 276,104 245,716 252,588 7 years 296,425 322,334 305,071 295,597 260,309 242,934 8 years 298,841 295,504 321,896 287,170 273,209 256,901 9 years 272,206 298,598 293,269 300,035 266,415 267,825 10 years 231,748 269,552 297,092 270,563 282,508 262,526 11 years 234,067 227,133 264,774 280,995 257,300 277,831 12 years 217,620 232,819 223,356 244,564 264,480 254,369 13 years _ 205,015 228,926 208,338 229,759 263,059 14 years _ _ 202,810 210,904 196,660 225,647 15 years _ _ _ 188,301 203,080 196,005 16 years _ _ _ _ 178,913 202,908 17 years _ _ _ _ _ 179,052 18 years _ _ _ _ _ _ Born before March 1993 3,690,130 3,675,858 3,681,375 3,506,795 3,331,326 3,314,160 Total 7,342,175 7,595,997 7,848,977 7,635,166 7,446,219 7,643,210 Age Class March 2012 Less than one year 244,464 1 year 241,627 2 years 231,977 3 years 227,306 4 years 249,346 5 years 260,010 6 years 259,838 7 years 254,591 8 years 240,452 9 years 256,092 10 years 265,584 11 years 256,706 12 years 271,287 13 years 243,863 14 years 269,785 15 years 224,230 16 years 192,353 17 years 194,963 18 years 179,285 Born before March 1993 3,284,510 Total 7,848,269 NOTE: A '_' indicates that the data are not available and a 'N' indicates that the data do not meet BLS disclosure standards.