Year Dollars 2005-01-01 29691 2006-01-01 16042 2007-01-01 142017 2008-01-01 37690 2010-01-01 116742 2012-01-01 54910 2013-01-01 23967 2014-01-01 128993 2015-01-01 527510 2016-01-01 268020