Year Dollars 1997-01-01 759554 2002-01-01 825815 2003-01-01 2108029 2004-01-01 4082240 2005-01-01 3837277 2006-01-01 3598244 2007-01-01 3195844 2008-01-01 3818148 2009-01-01 1612663 2010-01-01 5130861 2011-01-01 43724561 2012-01-01 10407727 2013-01-01 7383651 2014-01-01 7820479 2015-01-01 6425198 2016-01-01 6551355