Year	Number
1996	0.873983323574066
1998	0.854953348636627
2000	1.12142467498779
2002	0.928577423095703
2003	1.06150567531586
2004	1.11596786975861
2005	0.946494877338409
2006	0.841323614120483
2007	0.939814209938049
2008	0.92218691110611
2009	0.826832592487335
2010	0.590241730213165
2011	0.432440459728241
2012	0.462077081203461
2013	0.459530204534531
2014	0.734907329082489
2015	0.7780522108078
2016	0.749765634536743
2017	0.749311625957489
2018	0.642036437988281
2019	0.589168727397919
2020	0.419728547334671
2021	0.431887984275818
2022	0.529911398887634