Year	%
1997	0.4100313
1998	17.97396
1999	0
2000	0.1633254
2001	0.1536598
2002	0
2003	0
2004	0.0075013
2005	0
2006	0.0048449
2007	0
2008	0
2009	0
2010	0
2011	0
2012	0
2013	0
2015	0.1110201
2020	0.1183099
2021	0.1165558