Year	Percent
1985-01-01	0.62919799999999990
1986-01-01	0.46731900000000000
1987-01-01	0.44367000000000000
1988-01-01	0.31059200000000003
1989-01-01	0.33891100000000000
1990-01-01	0.55399600000000000
1991-01-01	0.30434600000000000
1992-01-01	0.24117100000000000
1993-01-01	1.34612000000000000
1994-01-01	0.14087300000000000
1995-01-01	0.08455599999999999
1996-01-01	0.10314000000000001
1997-01-01	0.65733199999999990
1998-01-01	0.31312100000000000
1999-01-01	14.58720000000000000
2000-01-01	12.69910000000000000
2001-01-01	15.19300000000000000
2002-01-01	17.22780000000000000
2003-01-01	19.91520000000000000
2004-01-01	18.73660000000000000
2005-01-01	15.18320000000000000
2006-01-01	23.48630000000000000
2007-01-01	22.60010000000000000
2008-01-01	22.70410000000000000
2009-01-01	25.20680000000000000
2010-01-01	21.81610000000000000
2011-01-01	15.62860000000000000
2012-01-01	9.28509000000000000
2013-01-01	10.32070000000000000
2014-01-01	15.20040000000000000
2015-01-01	15.07050000000000000
2016-01-01	13.95790000000000000