Year Dollars 1992-01-01 23673974 1997-01-01 81119117 2002-01-01 33419054 2003-01-01 119119389 2004-01-01 119754136 2005-01-01 165084070 2006-01-01 192911667 2007-01-01 183036496 2008-01-01 197939246 2009-01-01 170381662 2010-01-01 175525483 2011-01-01 226929384 2012-01-01 179676569 2013-01-01 134625530 2014-01-01 157086582 2015-01-01 188804284 2016-01-01 235133535