Year Dollars 2002-01-01 171027 2003-01-01 48632 2004-01-01 183864 2005-01-01 138987 2006-01-01 277582 2007-01-01 112162 2008-01-01 221933 2009-01-01 319942 2010-01-01 777006 2011-01-01 579521 2012-01-01 123040 2013-01-01 722193 2014-01-01 46036 2015-01-01 146389