Year	Percent
1982	0.023
1983	0.72671
1985	-0.02817
1986	0.00329
1987	-0.00464
1988	0.01542
1989	-0.02236
1990	0.0149
1991	0.28701
1992	-0.39967
1993	-0.06399
1994	0.05554
1995	0.0313
1996	0.0834
1997	0.03203
1998	-0.26534
1999	0.14513
2000	-0.01176
2001	2.34914
2002	5.38001
2003	6.17583
2004	7.28815
2005	14.67905
2006	19.72233
2007	29.21251
2008	19.03966
2009	-1.92139
2010	12.90471
2011	4.77892
2012	8.28632
2013	7.24876
2014	4.26817
2015	0.80986
2016	2.8481
2017	-3.25975