Year Dollars 1997-01-01 117376 2002-01-01 258187 2003-01-01 268002 2004-01-01 422005 2005-01-01 359270 2006-01-01 168603 2007-01-01 506978 2008-01-01 244231 2009-01-01 680421 2010-01-01 239899 2011-01-01 437482 2012-01-01 301129 2013-01-01 349011 2014-01-01 182923 2015-01-01 498959 2016-01-01 492117