Year	Percent
1989-01-01	0.42953100000000005
1990-01-01	0.90611300000000000
1991-01-01	0.62420700000000000
1992-01-01	1.05662000000000010
1993-01-01	1.63342000000000000
1994-01-01	1.86736000000000000
1995-01-01	1.71833000000000000
1996-01-01	3.10013000000000000
1997-01-01	3.88735999999999970
1998-01-01	5.47331999999999900
1999-01-01	1.72902000000000000
2000-01-01	7.58343999999999950
2001-01-01	10.31820000000000000
2002-01-01	8.59686000000000100
2003-01-01	11.84750000000000000
2004-01-01	11.27510000000000000
2005-01-01	9.80273000000000000
2006-01-01	12.65210000000000000
2007-01-01	29.40230000000000000
2008-01-01	23.22240000000000000
2009-01-01	12.70860000000000000
2010-01-01	12.41580000000000000
2011-01-01	8.67169000000000000
2012-01-01	8.59843000000000000
2013-01-01	9.13155000000000000
2014-01-01	7.12705000000000000
2015-01-01	8.08934000000000000
2016-01-01	4.23517000000000000
2017-01-01	7.09018000000000000