Year Dollars 1992-01-01 34190522 1997-01-01 20117304 2002-01-01 13557283 2003-01-01 18265642 2004-01-01 18416446 2005-01-01 29862693 2006-01-01 22646798 2007-01-01 30320742 2008-01-01 42772921 2009-01-01 67601103 2010-01-01 52640514 2011-01-01 104612156 2012-01-01 400671204 2013-01-01 95424021 2014-01-01 611474583 2015-01-01 206807787 2016-01-01 199113410