Year Dollars 1992-01-01 95111409 1997-01-01 375047856 2002-01-01 321256741 2003-01-01 475452190 2004-01-01 573441762 2005-01-01 681197959 2006-01-01 812963829 2007-01-01 1082534733 2008-01-01 954319307 2009-01-01 466488161 2010-01-01 616279271 2011-01-01 526279355 2012-01-01 434089828 2013-01-01 381945251 2014-01-01 417303286 2015-01-01 351304736 2016-01-01 426741174