Year Dollars 2007-01-01 1876360 2008-01-01 4683612 2009-01-01 3294026 2010-01-01 988160 2011-01-01 2604484 2012-01-01 2739815 2013-01-01 2268240 2014-01-01 2910648 2015-01-01 1648306 2016-01-01 2392332