Year	Number
1996	81.1827926635742
1998	81.2834243774414
2000	82.4468078613281
2002	74.6031723022461
2003	74.0740737915039
2004	66.0098495483398
2005	68.2926864624023
2006	70.7317047119141
2007	71.8446578979492
2008	73.7864074707031
2009	72.7272720336914
2010	72.8571395874023
2011	72.9857788085938
2012	76.7772521972656
2013	76.7772521972656
2014	78.8461532592773
2015	77.6190490722656
2016	80
2017	80
2018	79.0476226806641
2019	78.5714263916016
2020	79.0476226806641
2021	78.0952377319336
2022	75.9433975219727