Year Dollars 1992-01-01 189708 1997-01-01 35234534 2002-01-01 84965901 2003-01-01 85804180 2004-01-01 131553893 2005-01-01 521478836 2006-01-01 219116882 2007-01-01 468311695 2008-01-01 589030814 2009-01-01 764070930 2010-01-01 848431756 2011-01-01 1013252460 2012-01-01 826931813 2013-01-01 1070890784 2014-01-01 1145622769 2015-01-01 1203906035