Year Dollars 1992-01-01 52172804 1997-01-01 120356038 2002-01-01 76986858 2003-01-01 112364608 2004-01-01 160959160 2005-01-01 154545624 2006-01-01 79815991 2007-01-01 53492704 2008-01-01 60136405 2009-01-01 60923833 2010-01-01 71692653 2011-01-01 71894760 2012-01-01 87244881 2013-01-01 111033049 2014-01-01 147765326 2015-01-01 116264510 2016-01-01 135924822