Year Dollars 1992-01-01 46809415 1997-01-01 60125405 2002-01-01 52807088 2003-01-01 47775788 2004-01-01 44013984 2005-01-01 35946012 2006-01-01 69596684 2007-01-01 155981776 2008-01-01 132735003 2009-01-01 139201930 2010-01-01 111659342 2011-01-01 177550153 2012-01-01 164018992 2013-01-01 90706867 2014-01-01 124826168 2015-01-01 74179940 2016-01-01 87252259