Year	%
1989	0.6285355
1991	0.5043373
1993	0.0509857
1995	2.764006
1999	6.593755
2000	5.549603
2001	0.9331891
2003	2.992999
2004	19.48315
2005	1.758902
2006	1.87458
2007	10.23881
2008	10.28021
2009	10.70617
2010	7.874862
2011	6.432058
2013	3.676944
2014	0
2015	3.824363
2021	0