Year	Number
1996	0.703103303909302
1998	0.673875689506531
2000	0.687808454036713
2002	0.708452701568604
2003	0.724850833415985
2004	0.329279661178589
2005	0.316907852888107
2006	0.344496428966522
2007	0.348947823047638
2008	0.32328337430954
2009	0.355767250061035
2010	0.370362371206284
2011	0.364398032426834
2012	0.263781934976578
2013	0.260609924793243
2014	0.319390058517456
2015	0.305141925811768
2016	0.338359475135803
2017	0.338475435972214
2018	0.333388537168503
2019	0.330409914255142
2020	0.365459054708481
2021	0.372372329235077
2022	0.347348541021347