Year	%
1989	0.4942168
1990	0.1058171
1991	0
1992	0.0049447
1993	0
1994	0
1995	0.0029238
1996	5.444968
1997	0.3417931
1998	0.8236386
1999	24.39642
2000	3.536665
2001	0.4730516
2002	0.4447447
2003	0.0876721
2004	0.0091518
2005	0.0019428
2006	0.0493199
2007	0.1359454
2008	0.0576599
2009	0.0448544
2010	0.0429073
2011	0.0842533
2012	0.055084
2013	0.1146307
2014	0.1046773
2015	0.4263012
2016	0.3735255
2017	0.0341795
