Year Dollars 1992-01-01 1107111 1997-01-01 1543188 2002-01-01 4146884 2003-01-01 2547887 2004-01-01 2501153 2005-01-01 3212355 2006-01-01 5045510 2007-01-01 6851450 2008-01-01 6402010 2009-01-01 5202393 2010-01-01 7407624 2011-01-01 8853492 2012-01-01 9002102 2013-01-01 7991906 2014-01-01 6895389 2015-01-01 7233557 2016-01-01 2407149