Year Dollars 1992-01-01 741164 1997-01-01 2434715 2002-01-01 2113154 2003-01-01 1487110 2004-01-01 2586989 2005-01-01 912142 2006-01-01 2995494 2007-01-01 3945496 2008-01-01 3828680 2009-01-01 2586040 2011-01-01 2776140 2012-01-01 1223489 2013-01-01 1219956 2014-01-01 1257541 2015-01-01 1548865 2016-01-01 1719781