Year	Percent
1982	-1.8464
1983	4.98666
1984	-5.87899
1985	-13.93532
1986	6.22398
1987	10.26618
1988	-2.71458
1989	-3.63563
1990	-0.75057
1991	-10.37057
1992	-11.90256
1993	9.15846
1994	-0.34364
1995	2.64839
1996	8.91919
1997	0.05341
1998	-6.25273
1999	2.15907
2000	3.0486
2001	5.21014
2002	-1.37235
2003	-4.92335
2004	10.40813
2005	8.75441
2006	7.84973
2007	8.49816
2008	7.87915
2009	5.96026
2010	9.61634
2011	8.28412
2012	5.83016
2013	7.73456
2014	7.45023
2015	7.62222
2016	4.90415
2017	7.56287