Year Dollars 1992-01-01 44399943 1997-01-01 80069442 2002-01-01 142589462 2003-01-01 55195425 2004-01-01 127016354 2005-01-01 187567493 2006-01-01 180717796 2007-01-01 336103235 2008-01-01 498961163 2009-01-01 241836117 2010-01-01 276428652 2011-01-01 274134623 2012-01-01 237743006 2013-01-01 234736165 2014-01-01 199951061 2015-01-01 127124272 2016-01-01 120352182