Year	Number
1996	76.8844223022461
1998	80
2000	79.6019897460938
2002	77.6119384765625
2003	78.6069641113281
2004	74.038459777832
2005	72.7272720336914
2006	81.8181838989258
2007	64.5932998657227
2008	59.6153831481934
2009	63.9810409545898
2010	64.4549789428711
2011	66.6666641235352
2012	70.8920211791992
2013	69.4835662841797
2014	13.942307472229
2015	31.4285717010498
2016	31.4285717010498
2017	52.3809509277344
2018	51.9047622680664
2019	50
2020	50.9523811340332
2021	51.9047622680664
2022	53.7735862731934