Year	Percent
1984	-0.01504
1985	-0.02526
1986	-0.00204
1987	0.05765
1988	0.03312
1989	0.10725
1990	0.00487
1991	-0.00822
1992	-0.02381
1993	-0.00418
1994	0.00186
1995	0.00068
1996	0.01072
1997	-0.03894
1998	0.0804
1999	0.03335
2000	0.01487
2001	0.03596
2002	0.04287
2003	0.02282
2004	0.05716
2005	0.0411
2006	0.07941
2007	0.06431
2008	0.02881
2009	0.04222
2010	0.02649
2011	0.02903
2012	0.03432
2013	0.09169
2014	0.04993
2015	0.00924
2016	0.01866
2017	0.01705