Year	%
1993	6.546392
1998	25.5
1999	8.764368
2000	11.59196
2002	1.727116
2003	1.727116
2004	1.727116
2005	3.174603
2006	3.369524
2007	2.204783
2008	0
2009	2.204783
2010	2.153031
2011	1.772304
2012	1.862421
2013	3.498542
2014	0
2015	5.678592
2016	5.920496
2018	1.49328
2019	1.369142
2020	1.472031
2021	2.309059