Year Dollars 1997-01-01 121399 2002-01-01 368426 2003-01-01 2215414 2006-01-01 677680 2007-01-01 726760 2008-01-01 7189778 2009-01-01 23033791 2010-01-01 3068086 2011-01-01 5897153 2012-01-01 4669059 2013-01-01 3340486 2014-01-01 6733929 2015-01-01 3203742 2016-01-01 1722015