Year Dollars 1992-01-01 9850292 1997-01-01 16720036 2002-01-01 33366145 2003-01-01 35103318 2004-01-01 66698145 2005-01-01 66805966 2006-01-01 55416179 2007-01-01 60990125 2008-01-01 232388644 2009-01-01 136095985 2010-01-01 110394442 2011-01-01 139801153 2012-01-01 86730580 2013-01-01 81849116 2014-01-01 63735509 2015-01-01 45479846 2016-01-01 77577241