Year Dollars 1992-01-01 24781416 1997-01-01 47907297 2002-01-01 18180077 2003-01-01 25303850 2004-01-01 53578756 2005-01-01 53475538 2006-01-01 84471409 2007-01-01 101571799 2008-01-01 130130477 2009-01-01 129287886 2010-01-01 109662526 2011-01-01 62671231 2012-01-01 44105745 2013-01-01 48352920 2014-01-01 60445460 2015-01-01 76394889 2016-01-01 49864140