Year	Number
1996	72.8723373413086
1998	65.4255294799805
2000	58.7301597595215
2002	76.7195739746094
2003	63.3165817260742
2004	66.9902877807617
2005	66.019416809082
2006	65.2173919677734
2007	77.2946853637695
2008	78.3653869628906
2009	73.459716796875
2010	71.5639801025391
2011	70.6161117553711
2012	81.5165863037109
2013	81.9905242919922
2014	78.5714263916016
2015	71.9047622680664
2016	64.7619018554688
2017	70.476188659668
2018	64.1509399414063
2019	61.7924537658691
2020	63.2075462341309
2021	62.2641525268555
2022	53.301887512207