Year	Number
1996	69.0217361450195
1998	78.260871887207
2000	71.739128112793
2002	64.3243255615234
2003	67.5675659179688
2004	67.6616897583008
2005	67.1568603515625
2006	62.7450981140137
2007	65.5339813232422
2008	66.5048522949219
2009	67.9425811767578
2010	68.8995208740234
2011	70.1421813964844
2012	73.9336471557617
2013	73.9336471557617
2014	71.6346130371094
2015	72.3809509277344
2016	68.5714263916016
2017	69.0476226806641
2018	68.5714263916016
2019	70.9523773193359
2020	67.6190490722656
2021	67.1428604125977
2022	71.2264175415039