Year Dollars 1992-01-01 30647241 1997-01-01 91326026 2002-01-01 75050029 2003-01-01 69797348 2004-01-01 51868408 2005-01-01 69542043 2006-01-01 46872855 2007-01-01 47822238 2008-01-01 78330556 2009-01-01 33337507 2010-01-01 20710665 2011-01-01 27962158 2012-01-01 86615451 2013-01-01 40000339 2014-01-01 26710520 2015-01-01 66097975 2016-01-01 52027338