Year Dollars 1992-01-01 114874 1997-01-01 52300 2002-01-01 258943 2003-01-01 351913 2007-01-01 1251996 2008-01-01 400605 2009-01-01 208866 2010-01-01 164316 2011-01-01 1088700 2013-01-01 397357 2014-01-01 291342 2015-01-01 96493 2016-01-01 271813