Year Dollars 1992-01-01 40283317 1997-01-01 33190669 2002-01-01 10952579 2003-01-01 12037395 2004-01-01 12383754 2005-01-01 11202090 2006-01-01 9881265 2007-01-01 33794657 2008-01-01 22986433 2009-01-01 25504770 2010-01-01 44070994 2011-01-01 87682689 2012-01-01 57670926 2013-01-01 61061980 2014-01-01 34168392 2015-01-01 24965045