Year	Percent
1990	0
1991	0
1992	0.685
1993	0
1994	0
1995	0
1996	0
1997	0
1998	0
1999	0.342
2000	0
2001	0
2002	0.417
2003	0
2004	0
2005	0
2008	0.4763
2009	0.2391
2014	0.9102
2015	0.7434
2016	0.7533
2017	0.8256