Year	Number
1996	76.8844223022461
1998	80
2000	79.6019897460938
2002	77.6119384765625
2003	78.6069641113281
2004	76.4423065185547
2005	74.6411514282227
2006	76.0765533447266
2007	70.3349304199219
2008	82.211540222168
2009	78.6729888916016
2010	77.7251205444336
2011	78.8732376098633
2012	80.2816925048828
2013	79.3427200317383
2014	73.5576934814453
2015	71.9047622680664
2016	66.6666641235352
2017	66.1904754638672
2018	67.6190490722656
2019	66.1904754638672
2020	70.476188659668
2021	69.523811340332
2022	70.7547149658203