Year	Percent
1995-01-01	58.90700000000000
1996-01-01	51.90710000000000
1997-01-01	61.29920000000000
1998-01-01	45.44130000000000
1999-01-01	69.97080000000000
2000-01-01	63.10470000000000
2001-01-01	48.75400000000000
2002-01-01	54.04430000000000
2003-01-01	54.97840000000000
2004-01-01	60.63790000000000
2005-01-01	44.88200000000000
2006-01-01	64.78399999999999
2007-01-01	31.82320000000000
2008-01-01	9.14760000000000
2009-01-01	12.17670000000000
2010-01-01	14.48350000000000
2011-01-01	17.58990000000000
2012-01-01	17.59940000000000
2013-01-01	12.91210000000000
2014-01-01	17.21240000000000
2015-01-01	15.49810000000000
2016-01-01	13.59380000000000