Year Dollars 2002-01-01 65359 2006-01-01 1068607 2008-01-01 169862 2009-01-01 187995 2010-01-01 361622 2011-01-01 339135 2012-01-01 68070 2013-01-01 267717 2015-01-01 221834 2016-01-01 167911