Year	Number
1996	59.5744667053223
1998	62.7659568786621
2000	54.4973526000977
2002	58.201057434082
2003	63.3165817260742
2004	63.1067962646484
2005	65.5339813232422
2006	59.4202880859375
2007	54.5893707275391
2008	56.25
2009	61.1374397277832
2010	60.1895751953125
2011	63.5071105957031
2012	62.5592422485352
2013	61.1374397277832
2014	54.2857131958008
2015	57.6190490722656
2016	52.8571434020996
2017	62.3809509277344
2018	56.6037750244141
2019	60.8490562438965
2020	64.1509399414063
2021	59.4339637756348
2022	54.7169799804688