Year Dollars 1992-01-01 1182375 1997-01-01 7112028 2002-01-01 3394874 2003-01-01 3887044 2004-01-01 6980389 2005-01-01 11968793 2006-01-01 44147090 2007-01-01 24094421 2008-01-01 48381010 2009-01-01 9958157 2010-01-01 6532064 2011-01-01 8526506 2012-01-01 10648286 2013-01-01 7954985 2014-01-01 9548251 2015-01-01 13179017 2016-01-01 6203594