Year	Number
1996	0.586983859539032
1998	0.727634012699127
2000	0.677775979042053
2002	0.597427487373352
2003	0.51918625831604
2004	0.396904200315475
2005	0.4180528819561
2006	0.620725512504578
2007	0.63701593875885
2008	0.579975128173828
2009	0.577551782131195
2010	0.462827682495117
2011	0.479151219129562
2012	0.486024707555771
2013	0.543406128883362
2014	0.562593400478363
2015	0.608786046504974
2016	0.68133145570755
2017	0.691166758537292
2018	0.593458533287048
2019	0.613028824329376
2020	0.625461518764496
2021	0.620010316371918
2022	0.588516116142273