Year Dollars 1992-01-01 74799309 1997-01-01 40852771 2002-01-01 69890374 2003-01-01 48021989 2004-01-01 47464257 2005-01-01 60416184 2006-01-01 50029236 2007-01-01 54792535 2008-01-01 55192921 2009-01-01 62574872 2010-01-01 72174065 2011-01-01 80774322 2012-01-01 150214706 2013-01-01 151476714 2014-01-01 122941618 2015-01-01 135130771 2016-01-01 122235777