Year	%
1992	5.671078
1997	0
2001	2.609309
2002	3.686983
2003	0.1568874
2004	0.8721869
2005	0.9317735
2006	0.9482931
2007	1.366544
2008	1.912919
2009	2.11315
2012	0.1217503
2013	0.0081659
2014	0.0081673
2015	1.691631
2016	2.241745
2017	1.932866
2018	1.932866
2019	1.332787
2020	1.21307
2021	1.257551