Year	Percent
1984	-0.05691
1985	-0.00896
1986	-0.02848
1987	0.0458
1988	0.06394
1989	0.37379
1990	0.01941
1991	0.01323
1992	0.13442
1993	0.00414
1994	0.06621
1995	0.23691
1996	0.18173
1997	0.07333
1998	0.23512
1999	0.0383
2000	0.5724
2001	0.01812
2002	0.01138
2003	-0.00131
2004	0.04673
2005	-0.00318
2006	0.00002
2007	0.50846
2008	-0.31103
2009	0.04307
2010	0.46936
2011	0.0041
2012	0.00085
2013	-0.00233
2014	0.09368
2015	0.37032
2016	0.15124
2017	0.17727