Year Dollars 1992-01-01 18099524 1997-01-01 60715014 2002-01-01 30458622 2003-01-01 41558791 2004-01-01 44622063 2005-01-01 52951533 2006-01-01 48685774 2007-01-01 57967484 2008-01-01 90621990 2009-01-01 116027419 2010-01-01 92931033 2011-01-01 96984124 2012-01-01 136957282 2013-01-01 118380781 2014-01-01 109915631 2015-01-01 101473442 2016-01-01 92978574