Year Dollars 1992-01-01 155982095 1997-01-01 158340455 2002-01-01 240071361 2003-01-01 231245635 2004-01-01 352954909 2005-01-01 361192458 2006-01-01 268598482 2007-01-01 303519569 2008-01-01 496436049 2009-01-01 218030906 2010-01-01 406726712 2011-01-01 445456655 2012-01-01 771265690 2013-01-01 307388381 2014-01-01 267711142 2015-01-01 323557252 2016-01-01 243933852