Year	%
1990	0.1548097
1992	0.3327045
1996	0
1997	0
1999	0.5561321
2000	0.0058779
2001	0.0828393
2002	1.411811
2003	2.000448
2004	0
2005	0
2006	0
2007	0
2008	0.0530587
2009	0
2010	2.199529
2011	2.022875
2012	2.015925
2013	1.944708
2015	4.010149
2016	1.524656
2017	1.50324
2018	0.0172739
2019	0.0103976
2020	3.385104
2021	1.949676