Year Dollars 2002-01-01 744814 2003-01-01 669514 2004-01-01 327434 2005-01-01 72118 2006-01-01 217682 2007-01-01 338605 2008-01-01 244642 2009-01-01 150348 2011-01-01 36019 2012-01-01 148837 2014-01-01 54519 2016-01-01 257644