Year Dollars 2002-01-01 725388 2003-01-01 227308 2009-01-01 158799 2010-01-01 419769 2011-01-01 2449128 2012-01-01 213490 2013-01-01 391229 2014-01-01 166896 2015-01-01 820339 2016-01-01 306402