Year Dollars 2002-01-01 14367 2003-01-01 45104 2004-01-01 204120 2005-01-01 99638 2006-01-01 135634 2008-01-01 465136 2009-01-01 695607 2010-01-01 513360 2011-01-01 271121 2013-01-01 182085