Year	Percent
1982	0.1323
1983	-0.0894
1984	0.00916
1985	0.44992
1986	-0.19812
1987	0.49233
1988	0.09021
1989	0.12749
1990	5.24783
1991	2.53987
1992	3.7792
1993	3.75593
1994	1.35686
1995	1.5298
1996	0.46417
1997	7.00235
1998	1.11325
1999	0.7727
2000	-0.44859
2001	0.518
2002	0.5552
2003	0.80401
2004	0.59025
2005	0.8135
2006	4.3122
2007	1.23813
2008	7.12572
2009	1.75915
2010	-0.20598
2011	1.21451
2012	1.73346
2013	1.71366
2014	2.84345
2015	3.34179
2016	0.32055
2017	1.04825