Year	Number
2004	0.634409844875336
2005	0.746284067630768
2006	0.703987658023834
2007	0.431097239255905
2008	0.441606163978577
2009	0.401251554489136
2010	0.395871073007584
2011	0.791545987129211
2012	0.780917644500732
2013	0.798485517501831
2014	0.750133275985718
2015	0.786707043647766
2016	0.652095139026642
2017	0.678459286689758
2018	0.697025716304779
2019	0.883918046951294
2020	0.888366281986237
2021	0.877565145492554
2022	0.808528244495392