Year Dollars 1992-01-01 12015113 1997-01-01 14243924 2002-01-01 29587584 2003-01-01 41978791 2004-01-01 40464037 2005-01-01 80447046 2006-01-01 48155385 2007-01-01 40552490 2008-01-01 40052370 2009-01-01 46238926 2010-01-01 37227600 2011-01-01 51889102 2012-01-01 61393974 2013-01-01 73116487 2014-01-01 90716928 2015-01-01 56819243 2016-01-01 71429839