Year Dollars 1992-01-01 1584916 1997-01-01 1349490 2002-01-01 923988 2003-01-01 470356 2005-01-01 806101 2006-01-01 1369227 2007-01-01 2628147 2008-01-01 3674874 2009-01-01 3585136 2010-01-01 6340152 2011-01-01 4489341 2012-01-01 6102310 2013-01-01 6006922 2014-01-01 3392389 2015-01-01 2885137 2016-01-01 1951137