Year	Number
1996	65.5
1998	69.1542282104492
2000	68.1592025756836
2002	66.6666641235352
2003	64.6766204833984
2004	61.0576934814453
2005	62.019229888916
2006	67.3076934814453
2007	67.3076934814453
2008	66.3461532592773
2009	66.3507080078125
2010	61.1374397277832
2011	61.9718322753906
2012	63.3802833557129
2013	64.7887344360352
2014	67.4876861572266
2015	68.9655151367188
2016	70.9359588623047
2017	69.9507369995117
2018	68.4466018676758
2019	66.6666641235352
2020	66.6666641235352
2021	65.7004852294922
2022	64.2512054443359