Year	Number
1996	67.3913040161133
1998	69.5652160644531
2000	73.9130401611328
2002	78.9189224243164
2003	77.8378372192383
2004	76.6169128417969
2005	77.9411773681641
2006	75.9803924560547
2007	77.1844635009766
2008	75.728157043457
2009	74.6411514282227
2010	71.291862487793
2011	66.3507080078125
2012	68.2464447021484
2013	71.0900497436523
2014	63.9423065185547
2015	65.7142868041992
2016	60
2017	62.3809509277344
2018	66.1904754638672
2019	70
2020	71.4285736083984
2021	66.1904754638672
2022	67.4528274536133