Year	Number
1996	75.5434799194336
1998	78.8043441772461
2000	82.0652160644531
2002	86.4864883422852
2003	81.0810775756836
2004	83.5820922851563
2005	78.9215698242188
2006	85.2941207885742
2007	85.9223327636719
2008	85.4368896484375
2009	81.339714050293
2010	80.3827743530273
2011	80.0947875976563
2012	78.6729888916016
2013	77.7251205444336
2014	75
2015	74.2857131958008
2016	70
2017	72.3809509277344
2018	70.9523773193359
2019	72.3809509277344
2020	66.6666641235352
2021	67.6190490722656
2022	64.6226425170898