Year	Number
1996	47.3404273986816
1998	47.8723411560059
2000	58.201057434082
2002	68.7830657958984
2003	64.3216094970703
2004	70.3883514404297
2005	59.2233009338379
2006	63.7681159973145
2007	67.1497573852539
2008	66.3461532592773
2009	68.2464447021484
2010	66.8246459960938
2011	68.2464447021484
2012	65.4028472900391
2013	66.3507080078125
2014	67.1428604125977
2015	64.7619018554688
2016	67.6190490722656
2017	70.476188659668
2018	71.698112487793
2019	70.2830200195313
2020	66.5094375610352
2021	66.0377349853516
2022	66.9811325073242