Year Dollars 1992-01-01 190848117 1997-01-01 278088414 2002-01-01 330060229 2003-01-01 355401930 2004-01-01 418815818 2005-01-01 420616496 2006-01-01 522540961 2007-01-01 505526350 2008-01-01 544468638 2009-01-01 497884043 2010-01-01 733279671 2011-01-01 660796186 2012-01-01 622300585 2013-01-01 620279158 2014-01-01 607689881 2015-01-01 630762110 2016-01-01 692599762