Year	Number
1996	76.8844223022461
1998	80
2000	79.6019897460938
2002	77.6119384765625
2003	78.6069641113281
2004	71.6346130371094
2005	74.6411514282227
2006	76.0765533447266
2007	75.5980834960938
2008	79.8076934814453
2009	76.7772521972656
2010	76.3033142089844
2011	73.2394332885742
2012	70.4225387573242
2013	72.7699508666992
2014	74.038459777832
2015	72.3809509277344
2016	70
2017	71.9047622680664
2018	73.3333358764648
2019	72.8571395874023
2020	74.2857131958008
2021	70.476188659668
2022	71.2264175415039