Year	Number
1996	62.9032249450684
1998	58.2887687683105
2000	61.7021293640137
2002	71.9576721191406
2003	60.3174591064453
2004	56.1576347351074
2005	60.9756088256836
2006	59.0243911743164
2007	59.2233009338379
2008	64.5631103515625
2009	66.0287094116211
2010	67.1428604125977
2011	56.8720397949219
2012	63.5071105957031
2013	63.0331764221191
2014	64.9038467407227
2015	63.3333320617676
2016	65.2380981445313
2017	67.6190490722656
2018	71.9047622680664
2019	66.6666641235352
2020	67.1428604125977
2021	70
2022	73.5849075317383