Year	Number
1996	64.8241195678711
1998	65.5
2000	68.6567153930664
2002	67.164176940918
2003	68.6567153930664
2004	69.2307662963867
2005	69.8564605712891
2006	66.5071792602539
2007	71.291862487793
2008	71.6346130371094
2009	63.9810409545898
2010	63.0331764221191
2011	63.8497657775879
2012	65.7276992797852
2013	66.6666641235352
2014	75.4807662963867
2015	76.1904754638672
2016	78.0952377319336
2017	78.5714263916016
2018	77.1428604125977
2019	78.0952377319336
2020	76.1904754638672
2021	80.476188659668
2022	82.5471725463867