Year	%
1999	1.21256
2001	0
2002	0.9502231
2003	0.8534914
2004	0.5521839
2005	0.8903079
2006	0
2007	0.3742899
2008	0.4894732
2009	0.4402265
2010	0.4547012
2011	0.6144277
2012	0.0532864
2013	9.352563
2015	3.605766
2016	7.756922
2020	0.3058445
2021	0.6101388