Year Dollars 1992-01-01 168798686 1997-01-01 275366406 2002-01-01 626136970 2003-01-01 896993409 2004-01-01 1172637044 2005-01-01 1453937657 2006-01-01 1369560198 2007-01-01 1495326825 2008-01-01 1408985358 2009-01-01 1284167790 2010-01-01 1382758111 2011-01-01 1204780077 2012-01-01 1733873644 2013-01-01 1356978989 2014-01-01 1344852971 2015-01-01 1469511797 2016-01-01 1200160338