Year Dollars 1997-01-01 56320 2002-01-01 93703 2003-01-01 232377 2005-01-01 188784 2006-01-01 116593 2007-01-01 155138 2008-01-01 220018 2009-01-01 212508 2010-01-01 1179881 2011-01-01 102367 2012-01-01 149694 2013-01-01 285295 2014-01-01 179405 2015-01-01 107760 2016-01-01 314990