Year	Number
1996	56.2814064025879
1998	49
2000	62.6865653991699
2002	61.1940307617188
2003	61.1940307617188
2004	57.211540222168
2005	55.9808616638184
2006	59.8086128234863
2007	58.3732070922852
2008	58.1730766296387
2009	59.2417068481445
2010	60.6635055541992
2011	61.0328636169434
2012	60.0938949584961
2013	62.4413146972656
2014	65.8653869628906
2015	64.2857131958008
2016	59.523811340332
2017	62.3809509277344
2018	60.9523811340332
2019	59.0476188659668
2020	55.7142868041992
2021	55.238094329834
2022	56.1320762634277