Year Dollars 2002-01-01 19847 2005-01-01 276519 2007-01-01 1076307 2008-01-01 511218 2009-01-01 2233957 2010-01-01 3741080 2012-01-01 3975359 2013-01-01 1091952 2014-01-01 871540 2016-01-01 675816