Year	Number
1996	0.809140563011169
1998	0.876508176326752
2000	0.839712262153625
2002	0.83394581079483
2003	0.833284139633179
2004	0.80376410484314
2005	0.826629877090454
2006	0.873946964740753
2007	0.848823130130768
2008	0.912249743938446
2009	0.890109956264496
2010	0.852938830852509
2011	0.826713979244232
2012	0.720896303653717
2013	0.771275341510773
2014	0.626313030719757
2015	0.698509931564331
2016	0.548483729362488
2017	0.60663765668869
2018	0.631884336471558
2019	0.589768767356873
2020	0.660261154174805
2021	0.604782998561859
2022	0.661592185497284