Year Dollars 1992-01-01 30368866 1997-01-01 38382057 2002-01-01 85611705 2003-01-01 77033696 2004-01-01 95400235 2005-01-01 74981888 2006-01-01 239151851 2008-01-01 176527754 2009-01-01 41259032 2010-01-01 99398864 2011-01-01 91980396 2012-01-01 64574318 2013-01-01 79569311 2014-01-01 96025051 2015-01-01 65166160 2016-01-01 57563613