Year	%
2008	0.571914662174038
2009	0.584500588542436
2010	0.588001422921593
2011	0.484155586674748
2012	0.594291798596701
2013	0.570682157690436
2014	0.487829016283245
2015	0.456859010234891
2016	0.469220791445101
2017	0.352361433161398
2018	0.254435738088805
2019	0.251149391152259
2020	0.249057696611218
2021	0.233334670386676