Year Dollars 1997-01-01 719730 2002-01-01 1594979 2003-01-01 2015771 2004-01-01 1681544 2005-01-01 363934 2006-01-01 1861285 2007-01-01 1842243 2009-01-01 1162875 2010-01-01 2063499 2011-01-01 1395568 2012-01-01 2089186 2013-01-01 2959828 2014-01-01 4555251 2015-01-01 1382330 2016-01-01 1687252