Year	Percent
1975-01-01	0.05549400000000001
1976-01-01	0.04536100000000000
1977-01-01	0.03690500000000000
1978-01-01	0.22633400000000000
1979-01-01	0.33255900000000000
1980-01-01	0.28636600000000000
1981-01-01	0.27456400000000000
1982-01-01	0.57607700000000010
1983-01-01	1.00465000000000000
1984-01-01	0.88880600000000000
1985-01-01	0.86334100000000000
1986-01-01	1.35206000000000000
1987-01-01	1.52021000000000000
1988-01-01	1.44725000000000000
1989-01-01	1.14652000000000000
1990-01-01	1.51224000000000000
1991-01-01	1.51083000000000000
1992-01-01	1.66160999999999980
1993-01-01	1.27501000000000000
1994-01-01	2.09407000000000000
1995-01-01	1.88323000000000000
1996-01-01	4.33729000000000000
1997-01-01	7.43273000000000000
1998-01-01	15.88320000000000000
1999-01-01	8.22873000000000000
2000-01-01	5.95325000000000000
2001-01-01	5.03651999999999900
2002-01-01	4.02351999999999950
2003-01-01	3.53565000000000000
2004-01-01	3.48056999999999970
2005-01-01	4.30197000000000000
2006-01-01	4.37027000000000000
2007-01-01	4.01070999999999960
2008-01-01	3.97126000000000000
2009-01-01	5.55783000000000000
2010-01-01	4.83622000000000000
2011-01-01	4.58336000000000000
2012-01-01	5.63511000000000000
2013-01-01	6.70918999999999950
2014-01-01	7.72943999999999900
2015-01-01	10.27820000000000000
2016-01-01	10.79220000000000000