Year Dollars 1992-01-01 33634665 1997-01-01 58165233 2002-01-01 70249864 2003-01-01 78528772 2004-01-01 91383015 2005-01-01 89969922 2006-01-01 81016201 2007-01-01 88648698 2008-01-01 75252233 2009-01-01 59216410 2010-01-01 102476309 2011-01-01 100147173 2012-01-01 82655182 2013-01-01 106557403 2014-01-01 83432547 2015-01-01 70197166 2016-01-01 71926787