Year Dollars 1997-01-01 95299 2005-01-01 1577996 2006-01-01 1629910 2007-01-01 6468292 2008-01-01 1628938 2009-01-01 405806 2010-01-01 110094 2011-01-01 949629 2012-01-01 2228215 2013-01-01 1980734 2014-01-01 1669744 2015-01-01 600171