Year Dollars 2002-01-01 8581492 2003-01-01 7254807 2004-01-01 6786214 2005-01-01 15829796 2006-01-01 10369512 2007-01-01 14916881 2008-01-01 15022396 2009-01-01 1076810 2010-01-01 4083699 2011-01-01 8770949 2012-01-01 12815292 2013-01-01 32826107 2015-01-01 13679803 2016-01-01 13620046