Year Dollars 2005-01-01 1217527 2006-01-01 12790511 2007-01-01 8121953 2008-01-01 4456898 2009-01-01 10333369 2010-01-01 20583614 2011-01-01 552840 2012-01-01 4745790 2013-01-01 4912245 2014-01-01 3441524 2015-01-01 1926268 2016-01-01 940626