Year	Percent
1994	0
1995	0.7
1998	9.78
2003	1.41
2006	0.51
2008	0.26
2009	0.41
2010	0.31
2011	0.53
2012	0.4
2013	0.33
2014	0.81
2015	0.4
2016	0.49
2017	0.85