Year Dollars 1997-01-01 133452 2002-01-01 30630 2004-01-01 95351 2008-01-01 55613 2009-01-01 130286 2010-01-01 81844 2011-01-01 70554 2012-01-01 32997 2013-01-01 123938 2014-01-01 78133 2015-01-01 179114 2016-01-01 565713