Year Dollars 1992-01-01 220590449 1997-01-01 398397906 2002-01-01 533428352 2003-01-01 548640406 2004-01-01 569699629 2005-01-01 585263701 2006-01-01 658613069 2007-01-01 773168090 2008-01-01 718058573 2009-01-01 621990681 2010-01-01 783568652 2011-01-01 879344903 2012-01-01 823283859 2013-01-01 826586370 2014-01-01 841748686 2015-01-01 861516608 2016-01-01 792461556