Year Dollars 1992-01-01 102272688 1997-01-01 167581890 2002-01-01 283559935 2003-01-01 594781031 2004-01-01 1189492418 2005-01-01 1384356802 2006-01-01 1811440612 2007-01-01 1064865205 2008-01-01 1292621325 2009-01-01 1237698630 2010-01-01 1781667265 2011-01-01 1854136888 2012-01-01 1954785301 2013-01-01 2092827692 2014-01-01 2275198345 2015-01-01 2109655507 2016-01-01 2092128853