Year Dollars 1997-01-01 2018335 2002-01-01 1207805 2003-01-01 2354431 2004-01-01 4263880 2005-01-01 2424850 2006-01-01 3179192 2007-01-01 7301270 2008-01-01 4828159 2010-01-01 10325917 2011-01-01 9536779 2012-01-01 2567217 2013-01-01 3799709 2014-01-01 4388383 2015-01-01 5447642 2016-01-01 3998660