Year Dollars 2007-01-01 632800 2008-01-01 1143665 2009-01-01 3163747 2010-01-01 401021 2011-01-01 952097 2012-01-01 379639 2013-01-01 434914 2014-01-01 178701 2015-01-01 312820 2016-01-01 232424