Year	%
1997	2.007635
1998	14.0031
1999	0
2000	0.3260597
2001	0.2880115
2002	0
2003	0
2004	0
2005	0
2006	0.0352361
2007	0
2008	0
2009	0
2010	0
2011	0
2012	0
2013	0
2015	0
2020	0
2021	0