Year Dollars 1992-01-01 22408114 1997-01-01 40260273 2002-01-01 22455456 2003-01-01 27402638 2004-01-01 55108596 2005-01-01 65442158 2006-01-01 56589165 2007-01-01 52880731 2008-01-01 63163674 2009-01-01 27976934 2010-01-01 73516355 2011-01-01 94358197 2012-01-01 90457583 2013-01-01 94619638 2014-01-01 119136311 2015-01-01 35154911 2016-01-01 27863640