Year Dollars 1992-01-01 42327669 1997-01-01 61182351 2002-01-01 24946615 2003-01-01 36478125 2004-01-01 30245438 2005-01-01 38828279 2006-01-01 49511439 2007-01-01 81294837 2008-01-01 60588346 2009-01-01 60507702 2010-01-01 77437137 2011-01-01 69537833 2012-01-01 62824456 2013-01-01 90791160 2014-01-01 76671718 2015-01-01 70297441 2016-01-01 81296893