Year Dollars 2005-01-01 14586050 2006-01-01 16149025 2007-01-01 19804332 2008-01-01 5813576 2009-01-01 6312739 2010-01-01 4397390 2011-01-01 3651205 2012-01-01 10083831 2013-01-01 15152891 2014-01-01 19011595 2015-01-01 12059755 2016-01-01 31188058