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Table 2 Age distribution of U.S. IVF cycles 1997-2010

From: The “graying” of infertility services: an impending revolution nobody is ready for

  Total <35 35-37 38-40 41-42 43-44 >44 Donor ETs
1997 55,042 24,581 (44.7%) 12,733 (23.1%) 10,997 (20.0%) 6,691 (12.2%)    4,498
1998 61,650 27,858 (45.2%) 14,146 (23.0%) 12,037 (19.5%) 7,609 (12.3%)    5,308
1999 63,123 29,682 (47.0%) 15,291 (24.2%) 12,848 (20.4%) 5,302 (8.4%)    5,844
2000 71,556 33,453 (46.8%) 17,284 (24.2%) 14,701 (20.6%) 6,118 (8.6%)    6,731
2001 77,102 35,984 (46.7%) 17,791 (23.1%) 16,283 (21.1%) 7,044 (9.1%)    7,722
2002 81,888 37,591 (45.9%) 19,110 (23.3%) 17,454 (21.3%) 7,733 (9.4%)    8,394
2003 86,753 39,852 (45.9%) 20,056 (23.1%) 18,660 (21.5%) 8,185 (9.4%)    8,970
2004 89,535 40,853 (45.6%) 21,019 (23.5%) 19,174 (21.4%) 8,487 (9.5%)    9,283
2005 92,405 41,302 (44.7%) 22,624 (24.5%) 19,482 (21.1%) 8,997 (9.7%)    9,649
2006 93,866 41,369 (44.1%) 23,376 (24.9%) 19,775 (21.1%) 9,346 (10.0%)    10,049
2007 100,592 42,127 (41.9%) 23,504 (23.4%) 20,612 (20.5%) 9,535 (9.5%) 4,814 (4.8%)   10,321
2008 103,104 43,296 (42.0%) 23,326 (22.6%) 21,793 (21.1%) 9,783 (9.5%) 4,907 (4.8%)   10,718
2009 101,090 42,384 (41.9%) 21,860 (21.6%) 22,144 (21.9%) 9,845 (9.7%) 4,857 (4.8%)   10,151
2010 100,824 41,744 (41.4%) 21,369 (21.2%) 21,741 (21.6%) 10,122 (10.0%) 4,501 (4.5%) 1,347 (1.3%) 9,866