Year	Percent
1993-01-01	11.661400000000000
1994-01-01	16.254000000000000
1995-01-01	11.959400000000000
1996-01-01	24.267100000000000
1997-01-01	70.736400000000000
1998-01-01	32.675000000000000
1999-01-01	11.339600000000000
2000-01-01	13.132700000000000
2001-01-01	8.456060000000000
2002-01-01	13.073100000000000
2003-01-01	24.857400000000000
2004-01-01	23.714200000000000
2005-01-01	29.751300000000000
2006-01-01	18.641000000000000
2007-01-01	32.756700000000000
2008-01-01	36.298800000000000
2009-01-01	27.354000000000000
2010-01-01	13.079500000000000
2011-01-01	9.222710000000001
2012-01-01	9.323939999999999
2013-01-01	17.180100000000000
2014-01-01	15.555300000000000
2015-01-01	9.041220000000000
2016-01-01	7.597850000000000
2017-01-01	10.640800000000000