Year	Percent
1990	0.04616
1991	0.01035
1992	0.01592
1993	0.02655
1994	0.00003
1995	0.00531
1996	0.00003
1997	-0.02511
1998	-0.02144
1999	0.04422
2000	-0.02938
2001	-0.04175
2002	0.03465
2003	0.06514
2004	0.09184
2005	0.33139
2006	0.40604
2007	0.37859
2008	0.14653
2009	0.00784
2010	0.14137
2011	0.03082
2012	-0.12085
2013	-0.0316
2014	0.13495
2015	0.5791
2016	0.66865
2017	-0.12221