Year Dollars 1992-01-01 468048 1997-01-01 585858 2002-01-01 1232095 2003-01-01 890883 2004-01-01 2329030 2005-01-01 2076774 2006-01-01 2233901 2007-01-01 2300057 2008-01-01 2552287 2009-01-01 2287656 2010-01-01 2618389 2011-01-01 2836097 2012-01-01 2359599 2013-01-01 2509706 2014-01-01 3019233 2015-01-01 2411143 2016-01-01 5240807