Year	Number
1996	0.809140563011169
1998	0.876508176326752
2000	0.839712262153625
2002	0.83394581079483
2003	0.833284139633179
2004	0.866565823554993
2005	0.826629877090454
2006	0.873946964740753
2007	0.695627748966217
2008	0.965724766254425
2009	0.918620049953461
2010	0.883622527122498
2011	0.966215848922729
2012	0.987828314304352
2013	0.963633358478546
2014	0.61419951915741
2015	0.616971850395203
2016	0.432498306035995
2017	0.42532080411911
2018	0.444380104541779
2019	0.457475066184998
2020	0.59618067741394
2021	0.579966902732849
2022	0.644336640834808