Year	Percent
1986	0.00582
1987	0
1988	0.0734
1989	-0.01498
1990	0.00449
1991	0.03681
1992	0.01529
1993	0.02683
1994	0.00621
1995	0.01627
1996	0.01292
1997	0.04001
1998	0.02787
1999	0.11556
2000	0
2001	0.17646
2002	-1.01707
2005	0
2006	0
2007	0
2008	0.90787
2009	-0.76727
2010	-1.44941
2011	0.01259
2012	0.02678
2013	-0.01053
2014	0.03764
2015	0.05662
2016	0.22751
2017	0.00867