Year Dollars 1992-01-01 160030 1997-01-01 384630 2002-01-01 627510 2003-01-01 883890 2004-01-01 1060745 2005-01-01 821402 2006-01-01 1064684 2007-01-01 1436241 2008-01-01 2893942 2009-01-01 1137573 2010-01-01 2713719 2011-01-01 2150010 2012-01-01 3922718 2013-01-01 14517877 2014-01-01 2016348 2015-01-01 4580816 2016-01-01 7751380