Year	Number
1996	69.5652160644531
1998	66.8478240966797
2000	67.3913040161133
2002	68.1081085205078
2003	71.8918914794922
2004	63.6815910339355
2005	71.0784301757813
2006	67.1568603515625
2007	65.0485458374023
2008	65.0485458374023
2009	62.6794242858887
2010	60.7655487060547
2011	60.6635055541992
2012	63.5071105957031
2013	62.0853080749512
2014	63.9423065185547
2015	66.6666641235352
2016	65.7142868041992
2017	64.7619018554688
2018	63.8095245361328
2019	60.476188659668
2020	57.6190490722656
2021	60
2022	60.3773574829102