Year	Number
1996	62.3115577697754
1998	65
2000	70.6467666625977
2002	77.6119384765625
2003	70.1492538452148
2004	68.75
2005	78.9473648071289
2006	77.511962890625
2007	72.7272720336914
2008	81.7307662963867
2009	85.3080596923828
2010	83.4123229980469
2011	79.8122100830078
2012	86.3849792480469
2013	86.3849792480469
2014	84.6153869628906
2015	80.9523773193359
2016	84.2857131958008
2017	80
2018	80
2019	80
2020	86.1904754638672
2021	85.7142868041992
2022	85.3773574829102