Year	Number
1996	59.7989959716797
1998	60
2000	61.1940307617188
2002	65.1741256713867
2003	64.6766204833984
2004	68.75
2005	68.8995208740234
2006	76.5550231933594
2007	78.9473648071289
2008	80.288459777832
2009	77.7251205444336
2010	79.620849609375
2011	78.8732376098633
2012	77.9342727661133
2013	80.7511749267578
2014	84.6153869628906
2015	81.9047622680664
2016	79.523811340332
2017	81.4285736083984
2018	80
2019	80.9523773193359
2020	83.3333358764648
2021	85.7142868041992
2022	85.3773574829102