Year	Number
1996	84.4085998535156
1998	82.8877029418945
2000	84.5744705200195
2002	69.8412704467773
2003	71.4285736083984
2004	69.4581298828125
2005	67.8048782348633
2006	71.2195129394531
2007	73.3009719848633
2008	79.6116485595703
2009	71.7703323364258
2010	71.9047622680664
2011	71.0900497436523
2012	72.511848449707
2013	70.1421813964844
2014	69.2307662963867
2015	67.1428604125977
2016	66.6666641235352
2017	66.1904754638672
2018	69.523811340332
2019	70.476188659668
2020	68.5714263916016
2021	67.1428604125977
2022	67.9245300292969