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)