Year	Number
1996	71.1956558227539
1998	65.760871887207
2000	69.0217361450195
2002	75.1351318359375
2003	74.594596862793
2004	80.5970153808594
2005	83.3333358764648
2006	81.3725509643555
2007	79.6116485595703
2008	82.0388336181641
2009	80.8612442016602
2010	79.9043045043945
2011	79.620849609375
2012	80.0947875976563
2013	78.6729888916016
2014	78.8461532592773
2015	75.2380981445313
2016	79.0476226806641
2017	76.6666641235352
2018	75.7142868041992
2019	79.523811340332
2020	74.2857131958008
2021	77.6190490722656
2022	76.8867950439453