Year	Number
1996	81.1827926635742
1998	77.5401077270508
2000	68.0851058959961
2002	73.5449752807617
2003	74.0740737915039
2004	72.4137954711914
2005	72.6829299926758
2006	72.1951217651367
2007	72.3300933837891
2008	72.8155364990234
2009	72.2488021850586
2010	71.9047622680664
2011	71.5639801025391
2012	70.1421813964844
2013	69.6682434082031
2014	70.6730804443359
2015	73.3333358764648
2016	75.2380981445313
2017	76.1904754638672
2018	75.7142868041992
2019	76.6666641235352
2020	78.5714263916016
2021	80
2022	79.7169799804688