Year Dollars 1992-01-01 8705396 1997-01-01 13185136 2002-01-01 2792812 2003-01-01 12239706 2004-01-01 12491789 2005-01-01 18647883 2006-01-01 95609010 2007-01-01 87393675 2008-01-01 49129101 2009-01-01 114205173 2010-01-01 139951729 2011-01-01 99818386 2012-01-01 118631265 2013-01-01 121754745 2014-01-01 114916640 2015-01-01 72155417 2016-01-01 57006768