Year	Number
1996	0.551819324493408
1998	0.922752976417542
2000	0.697727382183075
2002	0.441433399915695
2003	0.623164057731628
2004	0.546658217906952
2005	0.594156503677368
2006	0.382123380899429
2007	0.450156897306442
2008	0.566187620162964
2009	0.518184363842011
2010	0.586027026176453
2011	0.596260905265808
2012	0.743631064891815
2013	0.747273743152618
2014	0.656426250934601
2015	0.664466142654419
2016	0.526479542255402
2017	0.433457106351852
2018	0.476172715425491
2019	0.544661998748779
2020	0.477579593658447
2021	0.438738018274307
2022	0.567061722278595