Year Dollars 2002-01-01 1457042 2006-01-01 32775 2007-01-01 14818 2008-01-01 18647 2009-01-01 100651 2010-01-01 261509 2012-01-01 1383490 2014-01-01 1896957 2015-01-01 1513965 2016-01-01 11649553