Year	%
1991	0
1992	0
1996	0.0231589
1999	26.92865
2001	0.544919
2002	0
2003	0.0140272
2004	0.7634802
2005	0.6970753
2006	0.8696979
2007	0.6014607
2008	0.6139453
2010	4.505181
2011	4.505181
2012	1.088075
2013	1.088075
2021	0