Year	Percent
1990	0.04824
1991	0.21156
1992	-0.04576
1993	0.26908
1994	-0.16805
1995	-0.08951
1996	-0.54945
1997	0.01587
1998	-0.05673
1999	0.80716
2000	0.30877
2001	-0.06533
2002	-0.94929
2003	-1.87554
2004	-0.34117
2005	-0.14239
2006	2.58474
2007	-0.55745
2008	0.08436
2009	0.84246
2010	0.00432
2011	0.3009
2012	0.03545
2013	0.14411
2014	0.11644
2015	0.36959
2016	-0.05353
2017	-0.70388