Year	Number
1996	71.0382537841797
1998	69.3989105224609
2000	66.1202163696289
2002	72.4324340820313
2003	65.9459457397461
2004	63.1840782165527
2005	68.1372528076172
2006	66.3414611816406
2007	71.3592224121094
2008	69.9029159545898
2009	71.291862487793
2010	71.291862487793
2011	69.1943130493164
2012	64.9289093017578
2013	65.4028472900391
2014	69.2307662963867
2015	69.523811340332
2016	70.9523773193359
2017	66.6666641235352
2018	70.476188659668
2019	73.3333358764648
2020	75.2380981445313
2021	75.2380981445313
2022	77.3584899902344