Year Dollars 1997-01-01 16169268 2002-01-01 36019908 2003-01-01 57608764 2004-01-01 43227777 2005-01-01 38822334 2006-01-01 51890266 2007-01-01 70278109 2008-01-01 88248265 2009-01-01 32589187 2010-01-01 54233299 2011-01-01 100003991 2012-01-01 83653194 2013-01-01 83403980 2014-01-01 62742871 2015-01-01 60916121 2016-01-01 41867492