Year Dollars 2005-01-01 466455 2006-01-01 531383 2007-01-01 3755073 2008-01-01 5100624 2009-01-01 6402811 2010-01-01 5543162 2011-01-01 2970310 2012-01-01 4105932 2013-01-01 2530517 2014-01-01 4282128 2015-01-01 3995186 2016-01-01 10621962