Year	Number
1996	64.1304321289063
1998	61.4130439758301
2000	58.152172088623
2002	60
2003	61.6216201782227
2004	58.7064666748047
2005	61.2745094299316
2006	57.3529396057129
2007	57.7669906616211
2008	53.3980598449707
2009	52.1531105041504
2010	60.7655487060547
2011	59.2417068481445
2012	56.3981056213379
2013	61.1374397277832
2014	66.8269195556641
2015	65.2380981445313
2016	65.7142868041992
2017	66.1904754638672
2018	62.3809509277344
2019	60.9523811340332
2020	61.9047622680664
2021	64.2857131958008
2022	61.3207550048828