Year	Number
1996	73.118278503418
1998	70.5882339477539
2000	68.6170196533203
2002	64.5502624511719
2003	60.3174591064453
2004	70.4433517456055
2005	56.0975608825684
2006	61.9512176513672
2007	69.9029159545898
2008	58.737865447998
2009	66.9856491088867
2010	64.2857131958008
2011	55.4502372741699
2012	61.6113739013672
2013	62.0853080749512
2014	60.5769233703613
2015	54.2857131958008
2016	61.4285697937012
2017	63.3333320617676
2018	59.523811340332
2019	57.6190490722656
2020	45.7142868041992
2021	44.2857131958008
2022	47.1698112487793