Year	Percent
1982	0.16458
1983	0
1984	0
1985	-0.20229
1986	0.88749
1987	0.53303
1988	0.6909
1989	0.69606
1990	7.07998
1991	1.08314
1992	1.11397
1993	0.74669
1994	3.56836
1995	-0.27483
1996	4.99556
1997	0.75042
1998	2.92417
1999	2.46717
2000	0.1054
2001	2.40587
2002	1.97287
2003	6.69405
2004	7.87548
2005	7.10997
2006	5.29614
2007	7.68131
2008	6.3027
2009	-7.81006
2010	1.29911
2011	3.10536
2012	-1.67795
2013	-1.63385
2014	1.18132
2015	-10.25179
2016	2.73711
2017	-0.64856