Year	Percent
1976	-0.04145
1977	0
1978	0.04541
1979	0.02726
1980	0.09314
1981	0.12958
1982	0.09207
1983	0.1358
1984	0.0849
1985	0.09799
1986	0.06572
1987	0.07704
1988	0.01484
1989	0.08738
1990	0.02837
1991	0.07811
1992	0.05159
1993	0.02412
1994	0.04505
1995	0.04777
1996	0.04897
1997	0.04525
1998	0.04582
1999	0.03525
2000	0.71835
2001	0.42998
2002	0.80181
2003	0.88561
2004	1.11418
2005	0.74978
2006	0.96875
2007	1.60643
2008	0.64223
2009	0.8975
2010	0.8525
2011	0.95841
2012	1.92275
2013	1.61611
2014	0.83912
2015	0.75619
2016	0.86578
2017	0.4779