Year | N | Mean | SD | Median | Min | Max | 95% CI |
2002 | 47 | 685,586 | 435,819.5 | 604,298 | 83,985 | 3,034,397 | (407424, 869752) |
2003 | 47 | 705,776 | 450,910.0 | 625,506 | 86,443 | 2,600,859 | (420676, 890554) |
2004 | 47 | 727,220 | 466,775.6 | 647,886 | 89,058 | 2,710,706 | (434932, 912918) |
2005 | 47 | 747,631 | 481,824 | 669,403 | 91,549 | 2,815,838 | (449244, 934009) |
2006 | 47 | 768,909 | 497,822 | 691,637 | 94,150 | 2,924,309 | (462472, 956223) |
2007 | 47 | 791,147 | 514,520 | 714,590 | 96,851 | 3,034,397 | (475354, 979870) |
2008 | 47 | 814,422 | 531,548 | 738,321 | 99,662 | 3,146,303 | (490594, 1005057) |
2009 | 47 | 838,793 | 548,905 | 762,870 | 102,593 | 3,260,124 | (506907, 1031868) |