Year Dollars 1997-01-01 60676821 2002-01-01 13816175 2003-01-01 4519071 2004-01-01 25664932 2005-01-01 36521726 2006-01-01 39988019 2007-01-01 73685053 2008-01-01 69165719 2009-01-01 105176191 2010-01-01 43326735 2011-01-01 36499845 2012-01-01 39744774 2013-01-01 63460378 2014-01-01 58485116 2015-01-01 58680288 2016-01-01 36620522