Year	%
1997	34.50195
1998	0.5977481
1999	0.7708055
2000	0.7893687
2001	0.7486563
2002	0.6072665
2003	0.5605679
2004	1.436993
2005	0.9347267
2006	0.7801628
2007	31.74109
2008	31.92719
2009	1.473698
2010	1.294438
2011	0
2012	0
2013	19.3324
2015	0
2020	0.0346552
2021	0.0329965