Year Dollars 1992-01-01 829088 2003-01-01 359796 2005-01-01 942058 2006-01-01 464132 2007-01-01 1465584 2008-01-01 1472873 2009-01-01 914665 2010-01-01 2249498 2011-01-01 1223166 2012-01-01 3540117 2013-01-01 2279797 2014-01-01 3407126 2015-01-01 2617602 2016-01-01 972015