Year Dollars 1992-01-01 21399811 1997-01-01 70450772 2002-01-01 35507817 2003-01-01 47641854 2004-01-01 90039160 2005-01-01 90939127 2006-01-01 39400990 2007-01-01 45134748 2008-01-01 62716874 2009-01-01 105534041 2010-01-01 205745359 2011-01-01 61345186 2012-01-01 66356554 2013-01-01 70158769 2014-01-01 71891214 2015-01-01 222052293