Year	Percent
1980-01-01	0.12863600000000000
1981-01-01	0.34486999999999995
1982-01-01	0.77146200000000000
1983-01-01	0.59438900000000010
1984-01-01	0.52156900000000000
1985-01-01	0.71269200000000000
1986-01-01	0.41215500000000000
1987-01-01	0.25095800000000000
1988-01-01	0.17739600000000000
1989-01-01	0.18052900000000000
1990-01-01	0.11319200000000000
1991-01-01	0.22563800000000000
1992-01-01	0.66656200000000000
1993-01-01	2.09909000000000030
1994-01-01	2.94138000000000000
1995-01-01	2.88238000000000000
1996-01-01	3.24131000000000000
1997-01-01	4.11510000000000000
1998-01-01	4.82299000000000000
1999-01-01	4.95050999999999950
2000-01-01	4.33928000000000050
2001-01-01	3.99440000000000000
2002-01-01	8.65932000000000000
2003-01-01	5.57166000000000000
2004-01-01	3.91268000000000040
2005-01-01	2.90596000000000000
2006-01-01	2.89047000000000000
2007-01-01	2.69020000000000000
2008-01-01	1.53100000000000000
2009-01-01	1.60751000000000000
2010-01-01	1.39465000000000000
2011-01-01	1.29282000000000000
2012-01-01	1.07046000000000000
2013-01-01	1.15944000000000000
2014-01-01	1.42103999999999990
2015-01-01	1.62140000000000000
2016-01-01	2.69929000000000000