Year	%
1991	34.36237
1993	13.0078
1996	13.68223
1997	13.95827
1998	13.96899
1999	13.88976
2000	7.215155
2001	7.527913
2002	6.648465
2003	6.827109
2004	7.184965
2005	6.88199
2006	6.154184
2007	6.150572
2008	6.249089
2009	6.232872
2010	0.1695643
2011	0
2012	0
2013	0
2014	0
2015	0
2016	0
2017	0
2018	0
2019	0
2020	0
2021	0
