Year	Number
1996	0.130637660622597
1998	0.511523187160492
2000	0.631228446960449
2002	0.619423806667328
2003	0.484826952219009
2004	0.51607221364975
2005	0.443538367748261
2006	0.601521611213684
2007	0.621265113353729
2008	0.600690960884094
2009	0.591262817382813
2010	0.537198603153229
2011	0.534638524055481
2012	0.469416946172714
2013	0.424271792173386
2014	0.505647838115692
2015	0.558526039123535
2016	0.524012267589569
2017	0.519499063491821
2018	0.558176338672638
2019	0.599114894866943
2020	0.57482522726059
2021	0.54219651222229
2022	0.538583040237427