Year Dollars 2002-01-01 54189 2003-01-01 74639 2004-01-01 58433 2007-01-01 340698 2010-01-01 186368 2011-01-01 124076 2012-01-01 859874 2013-01-01 159804 2014-01-01 260038 2015-01-01 158368