Year Dollars 2008-01-01 2438493 2009-01-01 5258311 2010-01-01 29955413 2011-01-01 39630781 2012-01-01 44564071 2013-01-01 32847744 2014-01-01 31833137 2015-01-01 18657118 2016-01-01 1895813