Year	Percent
1982	5.64523
1983	3.19349
1984	3.22299
1985	2.91912
1986	6.36278
1987	0.5567
1988	2.27264
1989	1.68231
1990	-5.09657
1991	-10.0839
1992	-10.29127
1993	-4.01157
1994	1.35976
1995	5.56436
1996	1.41741
1997	3.04586
1998	2.46714
1999	2.17802
2000	0.24853
2001	2.00222
2002	3.70938
2003	5.89411
2004	9.40494
2005	5.99648
2006	7.21665
2007	8.81623
2008	7.38955
2009	-2.75452
2010	4.62573
2011	15.21528
2012	10.21609
2013	9.51327
2014	5.86363
2015	0.55773
2016	-0.44634
2017	4.22357