Year Dollars 2007-01-01 8407055 2008-01-01 12094937 2009-01-01 13172010 2010-01-01 13050120 2011-01-01 13062037 2012-01-01 12129934 2013-01-01 14489030 2014-01-01 10143972 2015-01-01 15034722 2016-01-01 11435131