Year Dollars 1992-01-01 19440364 1997-01-01 6094449 2002-01-01 61297683 2003-01-01 21929300 2004-01-01 26724775 2005-01-01 48461901 2006-01-01 73005941 2007-01-01 91847209 2008-01-01 95663784 2009-01-01 91798455 2010-01-01 131967343 2011-01-01 246664228 2012-01-01 154322092 2013-01-01 178492880 2014-01-01 139031533 2015-01-01 107315181 2016-01-01 87196250