Year	%
2000	0.286107961295312
2001	0.332263487869103
2002	0.308287884476204
2003	0.336368151624465
2004	0.330622207099155
2005	0.262737208248452
2006	0.264099220704769
2007	0.26813479936135
2008	0.290193315187094
2009	0.302048063985771
2010	0.309496233388962
2011	0.326501742699224
2012	0.327432096876444
2013	0.343581965884243
2014	0.287544415762584
2015	0.30388075602609
2016	0.36326130648902
2017	0.421634488431689
2018	0.432762826589666
2019	0.426478332416312
2020	0.621927456510885