Year Dollars 1992-01-01 270016 1997-01-01 49867 2002-01-01 31594 2003-01-01 257820 2004-01-01 154617 2005-01-01 183609 2006-01-01 133238 2007-01-01 495931 2009-01-01 78226 2010-01-01 124865 2011-01-01 595459 2012-01-01 84044 2013-01-01 77679 2014-01-01 261790 2015-01-01 140686