Year	%
1993	0
1994	0.0076101
1996	0.1645689
1997	0
2001	1.814279
2002	1.233217
2005	1.636936
2007	0.5892183
2008	0.2747525
2009	0.4960826
2010	0.4643087
2011	0.7818593
2012	0.5376069
2013	0.6178794
2014	0
2015	0.5748848
2016	0.8711272
2017	0.6011586
2018	0.520454
2019	0.3395921
2020	0.3938303
2021	0.3327296