Year Dollars 1992-01-01 1821407 1997-01-01 6413320 2002-01-01 5691517 2003-01-01 6348848 2004-01-01 7643935 2005-01-01 6983767 2006-01-01 9152134 2007-01-01 12043604 2008-01-01 15660827 2009-01-01 10590815 2010-01-01 16693251 2011-01-01 26396223 2012-01-01 25346630 2013-01-01 13747963 2014-01-01 33904038 2015-01-01 34894159 2016-01-01 45995347