Year Dollars 1997-01-01 76910 2006-01-01 4263103 2007-01-01 909850 2008-01-01 1147358 2009-01-01 609621 2010-01-01 851942 2011-01-01 1296455 2012-01-01 361046 2013-01-01 775646 2014-01-01 418973 2015-01-01 336311 2016-01-01 396836