| Month and year | Size class 1 (1–49 employees) | Size class 2 (50–449 employees) | Size class 3 (500+ employees) | 
|---|---|---|---|
| Dec 2000 | 1,724,481 | 1,817,948 | 910,117 | 
| Jan 2001 | 1,867,215 | 1,726,355 | 1,038,630 | 
| Feb 2001 | 1,716,500 | 1,713,574 | 908,964 | 
| Mar 2001 | 1,529,514 | 1,696,557 | 866,619 | 
| Apr 2001 | 1,589,401 | 1,669,130 | 934,021 | 
| May 2001 | 1,673,064 | 1,442,546 | 754,971 | 
| Jun 2001 | 1,490,234 | 1,418,828 | 773,556 | 
| Jul 2001 | 1,428,081 | 1,480,935 | 926,526 | 
| Aug 2001 | 1,421,528 | 1,420,629 | 761,377 | 
| Sep 2001 | 1,562,466 | 1,246,631 | 954,021 | 
| Oct 2001 | 1,373,514 | 1,116,255 | 521,645 | 
| Nov 2001 | 1,163,042 | 1,131,320 | 691,839 | 
| Dec 2001 | 1,241,707 | 1,207,369 | 704,301 | 
| Jan 2002 | 1,346,758 | 1,210,890 | 669,961 | 
| Feb 2002 | 1,014,357 | 1,155,226 | 682,743 | 
| Mar 2002 | 1,240,815 | 1,195,632 | 697,436 | 
| Apr 2002 | 1,044,282 | 1,157,685 | 657,972 | 
| May 2002 | 984,269 | 1,259,976 | 727,993 | 
| Jun 2002 | 1,002,419 | 1,175,812 | 639,465 | 
| Jul 2002 | 1,092,175 | 1,129,444 | 622,684 | 
| Aug 2002 | 1,081,740 | 1,245,696 | 590,086 | 
| Sep 2002 | 1,006,465 | 1,254,132 | 561,763 | 
| Oct 2002 | 1,025,566 | 1,310,002 | 653,287 | 
| Nov 2002 | 1,137,646 | 1,258,716 | 610,999 | 
| Dec 2002 | 905,125 | 1,068,136 | 597,629 | 
| Jan 2003 | 1,087,042 | 1,257,175 | 771,262 | 
| Feb 2003 | 1,146,091 | 1,158,243 | 590,105 | 
| Mar 2003 | 1,010,501 | 1,087,230 | 528,484 | 
| Apr 2003 | 1,050,528 | 1,134,397 | 547,825 | 
| May 2003 | 1,086,502 | 1,125,963 | 561,534 | 
| Jun 2003 | 1,073,311 | 1,199,098 | 579,713 | 
| Jul 2003 | 977,678 | 1,162,389 | 551,572 | 
| Aug 2003 | 1,002,875 | 1,240,738 | 580,988 | 
| Sep 2003 | 933,193 | 1,194,568 | 588,511 | 
| Oct 2003 | 1,010,414 | 1,173,473 | 587,706 | 
| Nov 2003 | 1,042,653 | 1,219,192 | 579,980 | 
| Dec 2003 | 1,116,029 | 1,269,202 | 588,653 | 
| Jan 2004 | 1,115,222 | 1,249,279 | 576,195 | 
| Feb 2004 | 1,262,436 | 1,209,998 | 559,653 | 
| Mar 2004 | 1,210,078 | 1,232,249 | 570,054 | 
| Apr 2004 | 1,154,997 | 1,234,053 | 653,890 | 
| May 2004 | 1,212,101 | 1,322,311 | 587,073 | 
| Jun 2004 | 1,091,428 | 1,234,671 | 606,463 | 
| Jul 2004 | 1,428,693 | 1,391,513 | 630,995 | 
| Aug 2004 | 1,268,804 | 1,245,973 | 585,336 | 
| Sep 2004 | 1,345,368 | 1,313,461 | 616,268 | 
| Oct 2004 | 1,274,117 | 1,299,703 | 670,992 | 
| Nov 2004 | 1,135,071 | 1,226,994 | 585,642 | 
| Dec 2004 | 1,379,447 | 1,353,203 | 634,438 | 
| Jan 2005 | 1,232,756 | 1,322,278 | 642,952 | 
| Feb 2005 | 1,378,948 | 1,430,938 | 690,447 | 
| Mar 2005 | 1,339,448 | 1,358,318 | 713,920 | 
| Apr 2005 | 1,389,458 | 1,408,946 | 712,639 | 
| May 2005 | 1,345,794 | 1,373,154 | 709,858 | 
| Jun 2005 | 1,392,392 | 1,450,916 | 723,025 | 
| Jul 2005 | 1,530,477 | 1,376,132 | 771,680 | 
| Aug 2005 | 1,335,211 | 1,452,979 | 792,406 | 
| Sep 2005 | 1,428,624 | 1,462,488 | 812,475 | 
| Oct 2005 | 1,483,725 | 1,452,571 | 836,646 | 
| Nov 2005 | 1,440,271 | 1,608,523 | 900,195 | 
| Dec 2005 | 1,394,943 | 1,467,606 | 844,875 | 
| Jan 2006 | 1,336,177 | 1,477,789 | 955,066 | 
| Feb 2006 | 1,448,555 | 1,566,149 | 833,985 | 
| Mar 2006 | 1,504,896 | 1,613,437 | 837,220 | 
| Apr 2006 | 1,473,957 | 1,652,844 | 808,247 | 
| May 2006 | 1,461,552 | 1,618,266 | 841,568 | 
| Jun 2006 | 1,488,237 | 1,547,273 | 792,484 | 
| Jul 2006 | 1,220,588 | 1,423,299 | 787,087 | 
| Aug 2006 | 1,457,151 | 1,624,090 | 792,087 | 
| Sep 2006 | 1,488,368 | 1,608,018 | 782,030 | 
| Oct 2006 | 1,386,305 | 1,675,770 | 827,302 | 
| Nov 2006 | 1,531,712 | 1,667,883 | 807,617 | 
| Dec 2006 | 1,458,464 | 1,688,928 | 808,447 | 
| Jan 2007 | 1,620,059 | 1,638,601 | 827,056 | 
| Feb 2007 | 1,544,405 | 1,700,324 | 791,776 | 
| Mar 2007 | 1,504,879 | 1,742,683 | 794,458 | 
| Apr 2007 | 1,499,445 | 1,713,472 | 768,077 | 
| May 2007 | 1,444,634 | 1,750,354 | 801,006 | 
| Jun 2007 | 1,632,900 | 1,635,964 | 799,464 | 
| Jul 2007 | 1,501,190 | 1,571,015 | 744,670 | 
| Aug 2007 | 1,527,583 | 1,569,242 | 803,716 | 
| Sep 2007 | 1,618,670 | 1,567,592 | 752,836 | 
| Oct 2007 | 1,493,641 | 1,520,918 | 722,737 | 
| Nov 2007 | 1,368,491 | 1,651,370 | 743,901 | 
| Dec 2007 | 1,534,121 | 1,684,044 | 725,602 | 
| Jan 2008 | 1,544,025 | 1,517,185 | 696,008 | 
| Feb 2008 | 1,343,455 | 1,522,702 | 739,051 | 
| Mar 2008 | 1,333,279 | 1,450,500 | 699,124 | 
| Apr 2008 | 1,272,151 | 1,424,111 | 705,214 | 
| May 2008 | 1,303,967 | 1,433,714 | 684,849 | 
| Jun 2008 | 1,157,440 | 1,382,931 | 723,162 | 
| Jul 2008 | 1,209,992 | 1,370,921 | 655,987 | 
| Aug 2008 | 1,163,375 | 1,236,276 | 675,040 | 
| Sep 2008 | 1,059,850 | 1,136,839 | 589,415 | 
| Oct 2008 | 1,081,398 | 1,148,317 | 548,287 | 
| Nov 2008 | 1,026,095 | 1,028,705 | 492,747 | 
| Dec 2008 | 1,239,371 | 950,318 | 454,887 | 
| Jan 2009 | 960,438 | 910,143 | 417,189 | 
| Feb 2009 | 1,030,331 | 880,040 | 448,600 | 
| Mar 2009 | 870,655 | 767,138 | 402,948 | 
| Apr 2009 | 796,516 | 676,139 | 404,174 | 
| May 2009 | 925,148 | 774,469 | 363,502 | 
| Jun 2009 | 916,166 | 796,245 | 367,560 | 
| Jul 2009 | 778,765 | 687,001 | 355,394 | 
| Aug 2009 | 738,320 | 780,486 | 360,040 | 
| Sep 2009 | 910,332 | 828,299 | 402,629 | 
| Oct 2009 | 806,614 | 773,379 | 330,169 | 
| Nov 2009 | 837,638 | 757,223 | 394,875 | 
| Dec 2009 | 762,740 | 832,210 | 468,166 | 
| Jan 2010 | 887,791 | 840,184 | 447,641 | 
| Feb 2010 | 806,616 | 901,405 | 457,485 | 
| Mar 2010 | 798,899 | 925,926 | 470,049 | 
| Apr 2010 | 962,998 | 953,255 | 445,487 | 
| May 2010 | 1,038,158 | 902,541 | 515,456 | 
| Jun 2010 | 872,632 | 914,279 | 499,618 | 
| Jul 2010 | 964,503 | 983,081 | 526,878 | 
| Aug 2010 | 982,288 | 1,015,215 | 500,851 | 
| Sep 2010 | 844,090 | 989,405 | 561,715 | 
| Oct 2010 | 1,013,365 | 944,033 | 591,681 | 
| Nov 2010 | 1,078,043 | 1,013,874 | 610,345 | 
| Dec 2010 | 883,634 | 935,568 | 601,536 | 
| Jan 2011 | 912,057 | 1,116,375 | 649,616 | 
| Feb 2011 | 950,227 | 1,169,169 | 573,786 | 
| Mar 2011 | 956,420 | 1,169,775 | 607,279 | 
| Apr 2011 | 912,439 | 1,204,702 | 658,326 | 
| May 2011 | 1,017,681 | 1,160,066 | 615,220 | 
| Jun 2011 | 976,941 | 1,236,279 | 647,598 | 
| Jul 2011 | 1,055,247 | 1,260,577 | 619,553 | 
| Aug 2011 | 956,763 | 1,226,493 | 596,749 | 
| Sep 2011 | 1,141,332 | 1,316,143 | 613,413 | 
| Oct 2011 | 1,078,820 | 1,284,740 | 663,820 | 
| Nov 2011 | 1,049,291 | 1,250,721 | 604,132 | 
| Dec 2011 | 1,088,266 | 1,299,966 | 628,441 | 
| Jan 2012 | 1,423,588 | 1,329,570 | 587,745 | 
| Feb 2012 | 1,167,426 | 1,309,752 | 642,197 | 
| Mar 2012 | 1,235,579 | 1,404,803 | 675,431 | 
| Apr 2012 | 1,267,365 | 1,212,742 | 634,346 | 
| May 2012 | 1,263,699 | 1,318,286 | 708,677 | 
| Jun 2012 | 1,329,176 | 1,346,505 | 668,756 | 
| Jul 2012 | 1,166,332 | 1,338,295 | 687,902 | 
| Aug 2012 | 1,202,772 | 1,311,798 | 664,008 | 
| Sep 2012 | 1,237,858 | 1,315,865 | 592,115 | 
| Oct 2012 | 1,237,926 | 1,423,576 | 630,545 | 
| Nov 2012 | 1,308,853 | 1,399,160 | 650,751 | 
| Dec 2012 | 1,209,059 | 1,411,215 | 646,926 | 
| Jan 2013 | 1,252,191 | 1,399,059 | 679,759 | 
| Feb 2013 | 1,382,744 | 1,475,271 | 707,765 | 
| Mar 2013 | 1,329,656 | 1,417,401 | 666,903 | 
| Apr 2013 | 1,319,660 | 1,443,485 | 602,828 | 
| May 2013 | 1,298,293 | 1,454,870 | 615,285 | 
| Jun 2013 | 1,420,495 | 1,410,737 | 616,072 | 
| Jul 2013 | 1,392,254 | 1,383,958 | 618,725 | 
| Aug 2013 | 1,318,591 | 1,460,753 | 699,182 | 
| Sep 2013 | 1,476,989 | 1,364,732 | 749,228 | 
| Oct 2013 | 1,366,696 | 1,474,834 | 782,037 | 
| Nov 2013 | 1,294,851 | 1,555,258 | 739,626 | 
| Dec 2013 | 1,420,377 | 1,460,407 | 653,164 | 
| Jan 2014 | 1,294,356 | 1,488,774 | 738,864 | 
| Feb 2014 | 1,347,377 | 1,518,836 | 783,842 | 
| Mar 2014 | 1,447,426 | 1,540,378 | 686,654 | 
| Apr 2014 | 1,372,739 | 1,710,043 | 773,121 | 
| May 2014 | 1,630,519 | 1,680,062 | 747,796 | 
| Jun 2014 | 1,547,178 | 1,758,812 | 806,464 | 
| Jul 2014 | 1,543,285 | 1,619,409 | 835,460 | 
| Aug 2014 | 1,900,547 | 1,724,095 | 834,753 | 
| Sep 2014 | 1,593,931 | 1,771,408 | 848,176 | 
| Oct 2014 | 1,732,527 | 1,829,031 | 830,514 | 
| Nov 2014 | 1,750,605 | 1,858,201 | 843,982 | 
| Dec 2014 | 1,820,784 | 1,850,517 | 886,004 | 
| Jan 2015 | 1,780,701 | 1,826,414 | 907,200 | 
| Feb 2015 | 2,030,338 | 1,747,363 | 844,169 | 
| Mar 2015 | 1,757,594 | 1,897,346 | 927,649 | 
| Apr 2015 | 1,916,657 | 1,944,719 | 1,046,873 | 
| May 2015 | 1,724,553 | 2,031,991 | 980,578 | 
| Jun 2015 | 1,669,437 | 2,002,389 | 950,909 | 
| Jul 2015 | 2,115,866 | 2,103,414 | 956,666 | 
| Aug 2015 | 1,970,992 | 2,004,164 | 922,021 | 
| Sep 2015 | 1,908,603 | 2,088,881 | 998,366 | 
| Oct 2015 | 1,994,112 | 1,960,249 | 981,279 | 
| Nov 2015 | 2,146,812 | 1,962,748 | 989,928 | 
| Dec 2015 | 1,972,829 | 2,116,328 | 1,012,173 | 
| Jan 2016 | 1,949,374 | 2,087,683 | 993,058 | 
| Feb 2016 | 2,121,696 | 2,010,436 | 1,037,296 | 
| Mar 2016 | 2,239,353 | 2,035,445 | 1,034,299 | 
| Apr 2016 | 2,080,600 | 2,056,583 | 919,973 | 
| May 2016 | 2,028,957 | 2,035,890 | 1,062,970 | 
| Jun 2016 | 1,995,133 | 1,976,167 | 1,053,437 | 
| Jul 2016 | 1,972,528 | 2,129,089 | 972,733 | 
| Aug 2016 | 1,918,883 | 2,046,646 | 1,023,962 | 
| Sep 2016 | 2,054,823 | 2,159,846 | 973,372 | 
| Oct 2016 | 2,111,884 | 1,981,412 | 956,537 | 
| Nov 2016 | 2,019,796 | 2,228,826 | 995,405 | 
| Dec 2016 | 1,992,178 | 2,128,740 | 1,039,456 | 
| Source: U.S. Bureau of Labor Statistics. | |||