Year	Number
1996	0.85291451215744
1998	1.00717222690582
2000	0.982517600059509
2002	0.788582921028137
2003	0.851995170116425
2004	0.840148866176605
2005	0.832839369773865
2006	0.909173727035522
2007	0.886209964752197
2008	0.863871872425079
2009	0.822893023490906
2010	0.789677262306213
2011	0.795731782913208
2012	0.880852997303009
2013	0.928681612014771
2014	0.939650774002075
2015	0.826210618019104
2016	0.818056881427765
2017	0.788672626018524
2018	0.738156199455261
2019	0.75529283285141
2020	0.704483211040497
2021	0.659452974796295
2022	0.601032435894012