Year	Percent
1993	0.00825
1994	0
1995	0.00355
1996	0.33524
1997	0.28221
1998	-0.01967
1999	-0.02261
2000	-0.00943
2001	0.0121
2002	0.18944
2003	0.26217
2004	0.07347
2005	0.112
2006	0.12732
2007	0.08544
2008	0.27339
2009	0.18661
2010	0.03339
2011	0.35178
2012	1.43497
2013	1.22633
2014	0.95664
2015	1.33916
2016	0.77829
2017	0.78468