Year	Percent
1992	0.00037
1993	0.00348
1994	0.00172
1995	1.09861
1996	1.28914
1997	1.69509
1998	1.71303
1999	1.39204
2000	0.59817
2001	0.58078
2002	1.04884
2003	1.11879
2004	1.13134
2008	1.01655
2009	0.9545
2010	0.95276
2011	1.09374
2012	0.99909
2014	1.12835
2015	1.2192