Year	Number
1996	67.3366851806641
1998	67
2000	65.6716384887695
2002	67.164176940918
2003	66.6666641235352
2004	64.9038467407227
2005	65.5502395629883
2006	65.5502395629883
2007	68.4210510253906
2008	68.2692337036133
2009	66.8246459960938
2010	67.2985763549805
2011	66.1971817016602
2012	62.9107971191406
2013	62.4413146972656
2014	60.5769233703613
2015	56.6666679382324
2016	53.8095245361328
2017	56.6666679382324
2018	59.0476188659668
2019	58.5714302062988
2020	61.4285697937012
2021	57.6190490722656
2022	57.5471687316895