Year Dollars 2002-01-01 39223 2003-01-01 141933 2004-01-01 46424 2005-01-01 178635 2007-01-01 319507 2008-01-01 58336 2009-01-01 81506 2010-01-01 1589152 2011-01-01 362374 2012-01-01 351298 2013-01-01 201931 2014-01-01 84049 2015-01-01 135461