Year Dollars 1997-01-01 691906 2002-01-01 98544 2003-01-01 93118 2005-01-01 1736193 2006-01-01 512414 2007-01-01 97095 2008-01-01 335853 2009-01-01 1060635 2013-01-01 5430864 2014-01-01 5897244 2015-01-01 591347