Year	Number
1996	0.561770856380463
1998	0.617432355880737
2000	0.556891262531281
2002	0.674292743206024
2003	0.656516373157501
2004	0.456370502710342
2005	0.45884957909584
2006	0.551547348499298
2007	0.600704789161682
2008	0.613664507865906
2009	0.755774736404419
2010	0.786790609359741
2011	0.731594443321228
2012	0.614688694477081
2013	0.576835691928864
2014	0.76191633939743
2015	0.737417757511139
2016	0.619399189949036
2017	0.556687533855438
2018	0.570794284343719
2019	0.603662550449371
2020	0.648838937282562
2021	0.698169112205505
2022	0.767688930034637