Year Dollars 1992-01-01 6488108 1997-01-01 13103559 2002-01-01 32427142 2003-01-01 11909148 2004-01-01 23112443 2005-01-01 30597084 2006-01-01 76933034 2007-01-01 57917937 2008-01-01 48577064 2009-01-01 34878733 2010-01-01 34575953 2011-01-01 39930397 2012-01-01 93381823 2013-01-01 108118165 2014-01-01 98714653 2016-01-01 51953558