Year Dollars 1992-01-01 39564120 1997-01-01 24890038 2002-01-01 29132408 2003-01-01 16933754 2004-01-01 25963667 2005-01-01 24814220 2006-01-01 48294948 2007-01-01 67693866 2008-01-01 128707038 2009-01-01 70093465 2010-01-01 50073057 2011-01-01 56019733 2012-01-01 43805095 2013-01-01 29600492 2014-01-01 39034732 2015-01-01 26342750 2016-01-01 22399421