Year	Percent
1991	0.00352
1992	0.00345
1993	0.00097
1995	0.00419
1996	0.00242
1999	0.01122
2000	0.00007
2001	0.00963
2002	0.00019
2003	0.00477
2004	0.0543
2005	0.00711
2006	0.01322
2007	0.07534
2008	0.00062
2009	0.02449
2010	0.00077
2011	0.00551
2013	0.00058
2014	0.049
2015	3.40751
2016	2.19791