Year Dollars 1997-01-01 58636 2002-01-01 231767 2003-01-01 217833 2004-01-01 271137 2005-01-01 274787 2006-01-01 399451 2008-01-01 176735 2009-01-01 110084 2010-01-01 104218 2011-01-01 51520 2012-01-01 199551 2013-01-01 92133 2014-01-01 89810 2015-01-01 84757 2016-01-01 45437