Year Dollars 2002-01-01 37364 2005-01-01 57642 2007-01-01 35416 2008-01-01 28463 2009-01-01 79605 2010-01-01 114131 2012-01-01 20603 2014-01-01 18734 2015-01-01 57656 2016-01-01 14318