Year	Number
1996	0.703103303909302
1998	0.673875689506531
2000	0.687808454036713
2002	0.708452701568604
2003	0.724850833415985
2004	0.72966194152832
2005	0.738931596279144
2006	0.624208450317383
2007	0.693163931369781
2008	0.563325703144073
2009	0.578289389610291
2010	0.602480888366699
2011	0.565961301326752
2012	0.584510922431946
2013	0.575488984584808
2014	0.680301249027252
2015	0.433470875024796
2016	0.44322070479393
2017	0.430723547935486
2018	0.440916627645493
2019	0.450529277324677
2020	0.479733139276505
2021	0.457969576120377
2022	0.431781738996506