Year Dollars 1997-01-01 1510729 2002-01-01 1486667 2003-01-01 1158958 2004-01-01 3145491 2005-01-01 756256 2006-01-01 1055278 2007-01-01 2098849 2008-01-01 6651776 2009-01-01 2971946 2010-01-01 9989053 2011-01-01 9625162 2012-01-01 10938462 2013-01-01 7892536 2014-01-01 12110905 2015-01-01 11546326 2016-01-01 51421909