Year Dollars 1992-01-01 440637 1997-01-01 669483 2002-01-01 2288715 2003-01-01 5543352 2004-01-01 2728231 2005-01-01 2340871 2006-01-01 2276205 2007-01-01 3713012 2008-01-01 2152840 2009-01-01 13625968 2010-01-01 5487528 2011-01-01 2962325 2012-01-01 11932604 2013-01-01 3098611 2014-01-01 14595297 2015-01-01 2468120 2016-01-01 6529406