Year	Percent
1984	3.27169
1985	1.9125
1986	1.64582
1987	0.41584
1988	0.3652
1989	0.28914
1990	0.43578
1991	0.32605
1992	0.42451
1993	0.36616
1994	0.00172
1995	0.40781
1996	0.88325
1997	0.59604
1998	0.65313
1999	0.695
2000	0.748
2001	0.00137
2002	0.00798
2003	0.03615
2004	0.00607
2005	0.08804
2006	0.04695
2007	0.07639
2008	0.2015
2009	0.0345
2010	0.08024
2011	0.04257
2012	0.05565
2013	0.04245
2014	0.16049
2015	0.02642
2016	0.09443
2017	0.01754