Year Dollars 1992-01-01 22077352 1997-01-01 19858967 2002-01-01 48945611 2003-01-01 35381862 2004-01-01 71369238 2005-01-01 27750949 2006-01-01 87335555 2007-01-01 72596849 2008-01-01 47487881 2009-01-01 17807900 2010-01-01 47147853 2011-01-01 42115991 2012-01-01 12381213 2013-01-01 15250076 2014-01-01 16623567 2015-01-01 17215933 2016-01-01 31650281