Year Dollars 1997-01-01 4351931 2002-01-01 5531127 2003-01-01 68005217 2004-01-01 22389991 2005-01-01 39232090 2006-01-01 31295983 2007-01-01 56561567 2008-01-01 84362335 2009-01-01 61389557 2010-01-01 79889734 2011-01-01 86541056 2012-01-01 81531340 2013-01-01 69543914 2014-01-01 81381390 2016-01-01 114632193