Year	Number
1996	62.3115577697754
1998	64
2000	64.1791076660156
2002	68.6567153930664
2003	70.1492538452148
2004	62.019229888916
2005	69.3779907226563
2006	64.1148300170898
2007	63.6363639831543
2008	63.9423065185547
2009	60.6635055541992
2010	62.0853080749512
2011	62.4413146972656
2012	63.3802833557129
2013	63.3802833557129
2014	66.3461532592773
2015	64.2857131958008
2016	60.9523811340332
2017	63.3333320617676
2018	62.8571434020996
2019	73.3333358764648
2020	64.2857131958008
2021	58.0952377319336
2022	61.3207550048828