Year Dollars 1992-01-01 212208 1997-01-01 153269 2003-01-01 87197 2004-01-01 34493 2006-01-01 81338 2007-01-01 662142 2008-01-01 579980 2009-01-01 1547381 2010-01-01 2168978 2011-01-01 2640238 2012-01-01 1993733 2013-01-01 2675816 2014-01-01 2550354 2015-01-01 2149229 2016-01-01 734420