Year Dollars 1997-01-01 84016 2003-01-01 22969 2005-01-01 231202 2006-01-01 60881 2007-01-01 71289 2008-01-01 41105 2009-01-01 181552 2011-01-01 108972 2012-01-01 22825 2014-01-01 50591