Year	Number
1996	76.5
1998	76.6169128417969
2000	76.1194000244141
2002	77.6119384765625
2003	79.6019897460938
2004	82.211540222168
2005	81.25
2006	74.5192337036133
2007	73.0769195556641
2008	73.0769195556641
2009	72.511848449707
2010	74.407585144043
2011	74.6478881835938
2012	76.5258178710938
2013	73.7089233398438
2014	71.9211807250977
2015	73.8916244506836
2016	74.8768463134766
2017	72.9064025878906
2018	71.8446578979492
2019	70.0483093261719
2020	66.6666641235352
2021	66.1835784912109
2022	66.6666641235352