Year	Number
2004	84.7290649414063
2005	72.6829299926758
2006	72.6829299926758
2007	73.7864074707031
2008	73.3009719848633
2009	68.4210510253906
2010	69.523811340332
2011	72.511848449707
2012	70.1421813964844
2013	68.7203826904297
2014	75.4807662963867
2015	75.2380981445313
2016	75.7142868041992
2017	80.476188659668
2018	79.0476226806641
2019	79.0476226806641
2020	80.476188659668
2021	78.5714263916016
2022	78.301887512207