Year	Number
1996	69.8924713134766
1998	72.192512512207
2000	71.8085098266602
2002	77.7777786254883
2003	76.1904754638672
2004	78.8177337646484
2005	78.5365829467773
2006	76.5853652954102
2007	74.271842956543
2008	73.7864074707031
2009	78.4689025878906
2010	79.0476226806641
2011	78.6729888916016
2012	78.6729888916016
2013	80.0947875976563
2014	79.3269195556641
2015	76.6666641235352
2016	75.7142868041992
2017	80
2018	79.0476226806641
2019	78.0952377319336
2020	79.0476226806641
2021	79.0476226806641
2022	79.7169799804688