Year Dollars 1992-01-01 972750582 1997-01-01 1551486905 2002-01-01 1702148246 2003-01-01 1721543517 2004-01-01 1715780526 2005-01-01 1746402358 2006-01-01 2027797160 2007-01-01 2520647355 2008-01-01 2594161558 2009-01-01 2011694722 2010-01-01 2664194144 2011-01-01 2874484593 2012-01-01 2692793822 2013-01-01 3178352178 2014-01-01 3026904370 2015-01-01 2761491965 2016-01-01 2321213483