Year	Percent
1994	0.4081
1995	0.53508
1996	0.64408
1997	0.27428
1998	0.22207
1999	0.26611
2000	0.30998
2001	0.90301
2002	0.77696
2003	0.53287
2004	0.57691
2005	0.40261
2006	0.554
2007	0.19013
2008	0.97125
2009	0.83587
2010	0.87645
2011	0.95163
2012	0.58353
2013	0.51819
2014	1.31014
2015	0.78324
2016	0.48658