Year Dollars 1997-01-01 314898 2002-01-01 1270837 2003-01-01 548569 2004-01-01 435848 2005-01-01 2045889 2006-01-01 9083113 2007-01-01 2372897 2008-01-01 4197122 2009-01-01 4177050 2010-01-01 7251599 2011-01-01 6628070 2012-01-01 5790623 2013-01-01 11240014 2014-01-01 12535118 2015-01-01 7874635 2016-01-01 6238641