Year	Number
1996	56.9148941040039
1998	60.1063842773438
2000	69.8412704467773
2002	50.2645492553711
2003	45.7286415100098
2004	50.970874786377
2005	58.737865447998
2006	59.4202880859375
2007	54.5893707275391
2008	54.8076934814453
2009	47.8672981262207
2010	57.8199043273926
2011	62.0853080749512
2012	57.8199043273926
2013	60.1895751953125
2014	45.7142868041992
2015	57.6190490722656
2016	57.6190490722656
2017	61.4285697937012
2018	56.6037750244141
2019	56.6037750244141
2020	56.6037750244141
2021	57.0754699707031
2022	56.1320762634277