Year	%
1995	22.91521
1997	21.56912
1998	22.43066
1999	10.21997
2000	9.65746
2001	11.12686
2002	8.544935
2003	7.23798
2004	0.9200047
2005	0.4830669
2006	0.5552034
2007	0.6636978
2008	18.60517
2009	21.18088
2010	15.96896
2011	15.14085
2012	0.5377941
2013	14.90654
2014	9.450809
2015	9.451439
2020	0.0187696
2021	0.0292442