Year Dollars 2004-01-01 162474 2005-01-01 156336579 2006-01-01 130737382 2008-01-01 4203957 2010-01-01 20710979 2011-01-01 13003526 2012-01-01 12701018 2013-01-01 60189768 2014-01-01 107950300 2015-01-01 59478294 2016-01-01 65962243