Year	Percent
1995-01-01	26.986900000000000
1996-01-01	37.571700000000000
1997-01-01	35.260500000000000
1998-01-01	28.884800000000000
1999-01-01	35.151200000000000
2000-01-01	25.081700000000000
2001-01-01	34.968100000000000
2002-01-01	25.845200000000000
2003-01-01	30.773700000000000
2004-01-01	31.452700000000000
2005-01-01	30.280800000000000
2006-01-01	42.046700000000000
2007-01-01	38.108400000000000
2008-01-01	11.566700000000000
2009-01-01	11.597000000000001
2010-01-01	19.604800000000000
2011-01-01	20.880200000000000
2012-01-01	20.457900000000000
2013-01-01	16.382100000000000
2014-01-01	21.013900000000000
2015-01-01	23.693500000000000
2016-01-01	29.961800000000000