Year Dollars 2002-01-01 23041 2003-01-01 64970 2004-01-01 11444 2005-01-01 58468 2007-01-01 14958 2008-01-01 83699 2010-01-01 348600 2011-01-01 249220 2012-01-01 640920 2013-01-01 153614 2014-01-01 128820 2016-01-01 129445