Year	Number
1996	73.9361724853516
1998	65.9574432373047
2000	75.1322784423828
2002	71.4285736083984
2003	71.8592987060547
2004	75.2427215576172
2005	76.2135925292969
2006	74.8792266845703
2007	77.2946853637695
2008	79.3269195556641
2009	72.0379180908203
2010	71.5639801025391
2011	68.7203826904297
2012	69.1943130493164
2013	69.1943130493164
2014	76.6666641235352
2015	81.9047622680664
2016	87.1428604125977
2017	84.2857131958008
2018	84.9056625366211
2019	81.6037750244141
2020	81.1320724487305
2021	71.698112487793
2022	79.7169799804688