Year Dollars 1992-01-01 20162445 1997-01-01 26600194 2002-01-01 48639783 2003-01-01 38488327 2004-01-01 67528704 2005-01-01 80690967 2006-01-01 79550365 2007-01-01 62809513 2008-01-01 53231002 2009-01-01 44545125 2010-01-01 130318378 2011-01-01 136430320 2012-01-01 70606207 2013-01-01 54276228 2014-01-01 67033126 2015-01-01 54838878 2016-01-01 160554522