Year Dollars 2004-01-01 94388 2007-01-01 29856841 2008-01-01 20490021 2009-01-01 18427395 2010-01-01 51654022 2011-01-01 24797117 2012-01-01 32849027 2013-01-01 20741117 2014-01-01 14062375 2015-01-01 11569869 2016-01-01 4870480