Year	%
1997	8.540218
1999	5.217966
2000	0.898946
2001	0.898946
2002	1.829268
2003	0.0677048
2004	0.0748316
2005	0.0947867
2006	0.6332599
2007	2.321175
2008	1.05646
2009	3.934368
2010	1.171667
2012	1.024328
2013	1.024328
2018	0.6289308
2019	0.7079646
2020	0.28715
2021	0.7991661