Year Dollars 1992-01-01 288751 1997-01-01 1269358 2002-01-01 1415200 2003-01-01 1888586 2004-01-01 1796192 2005-01-01 1206790 2006-01-01 1782639 2007-01-01 3704724 2008-01-01 1883816 2009-01-01 3749754 2010-01-01 3344348 2011-01-01 2827363 2012-01-01 3315460 2013-01-01 4177187 2014-01-01 3419032 2015-01-01 5889482 2016-01-01 1964785