Year Dollars 1992-01-01 15736114 1997-01-01 26948676 2002-01-01 22503141 2003-01-01 49194844 2004-01-01 41185531 2005-01-01 61381625 2006-01-01 50782877 2007-01-01 45652997 2008-01-01 63445982 2009-01-01 45824175 2010-01-01 94719999 2011-01-01 56749618 2012-01-01 74585477 2013-01-01 50991461 2014-01-01 66697555 2015-01-01 83496195 2016-01-01 50321764