Year	Number
1996	0.102206021547318
1998	0.0380356423556805
2000	0.363394379615784
2002	0.328575700521469
2003	0.318801134824753
2004	0.44430086016655
2005	0.455620646476746
2006	0.555540442466736
2007	0.456446975469589
2008	0.572743833065033
2009	0.585426390171051
2010	0.581434488296509
2011	0.502175211906433
2012	0.675028204917908
2013	0.675976753234863
2014	0.677013695240021
2015	0.4580357670784
2016	0.422897964715958
2017	0.535450637340546
2018	0.514107942581177
2019	0.456991463899612
2020	0.425023794174194
2021	0.553089022636414
2022	0.581651031970978