Year Dollars 1992-01-01 54301 1997-01-01 185863 2002-01-01 686181 2003-01-01 331107 2004-01-01 890621 2005-01-01 2258092 2006-01-01 2366322 2007-01-01 12617604 2008-01-01 7508510 2009-01-01 3235947 2010-01-01 3726226 2011-01-01 14873111 2012-01-01 17321200 2013-01-01 5325069 2014-01-01 12100209 2015-01-01 36009020