Year Dollars 2002-01-01 21467 2003-01-01 43103 2005-01-01 42091 2006-01-01 189924 2007-01-01 868352 2008-01-01 503411 2009-01-01 421743 2010-01-01 672835 2011-01-01 490480 2012-01-01 611999 2013-01-01 223475 2014-01-01 186278 2015-01-01 547997 2016-01-01 93844