Year	Number
1996	72.8723373413086
1998	63.2978706359863
2000	75.1322784423828
2002	70.3703689575195
2003	59.2964820861816
2004	62.1359214782715
2005	60.6796112060547
2006	60.8695640563965
2007	61.835750579834
2008	63.461540222168
2009	61.6113739013672
2010	62.5592422485352
2011	63.5071105957031
2012	67.2985763549805
2013	66.8246459960938
2014	69.523811340332
2015	62.3809509277344
2016	70
2017	64.7619018554688
2018	65.5660400390625
2019	66.0377349853516
2020	63.6792449951172
2021	59.9056587219238
2022	65.5660400390625