Year	Number
1996	72.0430145263672
1998	72.192512512207
2000	70.2127685546875
2002	73.0158767700195
2003	74.0740737915039
2004	73.3990173339844
2005	72.6829299926758
2006	72.1951217651367
2007	72.8155364990234
2008	73.3009719848633
2009	72.7272720336914
2010	71.9047622680664
2011	71.5639801025391
2012	71.0900497436523
2013	69.6682434082031
2014	69.2307662963867
2015	65.7142868041992
2016	65.7142868041992
2017	67.1428604125977
2018	68.5714263916016
2019	66.6666641235352
2020	73.8095245361328
2021	70
2022	68.3962249755859