Year	Number
1996	86.8852462768555
1998	86.3387985229492
2000	86.8852462768555
2002	88.1081085205078
2003	88.6486511230469
2004	80.5970153808594
2005	84.3137283325195
2006	68.7804870605469
2007	72.3300933837891
2008	69.4174728393555
2009	69.3779907226563
2010	69.3779907226563
2011	70.1421813964844
2012	71.5639801025391
2013	74.407585144043
2014	75
2015	74.2857131958008
2016	74.2857131958008
2017	72.8571395874023
2018	73.3333358764648
2019	72.3809509277344
2020	68.5714263916016
2021	69.0476226806641
2022	68.3962249755859