Year Dollars 1992-01-01 42834096 1997-01-01 83297317 2002-01-01 274979266 2003-01-01 276703721 2004-01-01 144102479 2005-01-01 84025823 2006-01-01 52016968 2007-01-01 62374968 2008-01-01 146158699 2009-01-01 116230289 2010-01-01 101006512 2011-01-01 122981890 2012-01-01 111610486 2013-01-01 102401753 2014-01-01 115439189 2015-01-01 148457687 2016-01-01 147416828