Year	Percent
1970	0.90432
1971	0.00026
1972	0.00022
1973	0.00555
1974	0.00092
1975	0.00208
1976	-0.00388
1977	0.00941
1978	0.0049
1979	0.00517
1980	0.0029
1981	0.00483
1982	-0.00042
1983	0.00019
1984	-0.02779
1985	0.03381
1986	-0.08116
1987	-0.02826
1988	0.07887
1989	0.01505
1990	0.03039
1991	0.00727
1992	0.17776
1993	0.05535
1994	0.00004
1995	0.02464
1996	1.10291
1997	0.06516
1998	0.22768
1999	0.23992
2000	0.04322
2001	-0.31962
2002	0.00949
2003	-0.14018
2004	0.03996
2005	0.28949
2006	0.11945
2007	0.09729
2008	-0.00404
2009	1.05155
2010	1.13034
2011	2.1159
2012	1.65025
2013	0.82316
2014	0.29872
2015	0.24845
2016	0.2633
2017	0.09408