Year Percent 1993-01-01 268.1504888827840000 1994-01-01 87.5800093298081000 1995-01-01 0.0435161009571903 1996-01-01 46.8899521531102000 1997-01-01 36.5561148948773000 1998-01-01 9.3570421771655100 1999-01-01 7.5649415030737600 2000-01-01 11.5955387593327000 2001-01-01 6.2773602048400600 2002-01-01 0.9170746871842850 2003-01-01 5.1289949942241500 2004-01-01 8.2411544941761800 2005-01-01 12.7165674066053000 2006-01-01 5.0951666166316000 2007-01-01 9.6372063289116000 2008-01-01 27.9664723032070000 2009-01-01 7.5867175485561600 2010-01-01 10.0799184268668000 2011-01-01 8.4091750719243000 2012-01-01 14.3176020408163000 2013-01-01 10.4881450488145000 2014-01-01 12.2254481191618000 2015-01-01 6.5800573646026700 2016-01-01 1.0553532795103200 2017-01-01 4.0504992813558800