Year	Percent
1995-01-01	6.86963722925000
1996-01-01	6.67744555400000
1997-01-01	7.67375921875000
1998-01-01	8.53576360425000
1999-01-01	8.88465884775000
2000-01-01	8.77060564775000
2001-01-01	9.34813389125000
2002-01-01	10.29843927275000
2003-01-01	10.71265731925000
2004-01-01	10.36771286900000
2005-01-01	8.98990319950000
2006-01-01	8.40383747675000
2007-01-01	7.31855804075000
2008-01-01	6.09914044150000
2009-01-01	7.54408651650000
2010-01-01	6.63659478425000
2011-01-01	5.60237630750000
2012-01-01	6.85000000000000
2013-01-01	6.20833333333333
2014-01-01	5.90833333333333
2015-01-01	5.24166666666667
2016-01-01	4.80833333333333
2017-01-01	4.21666666666667