Year	Number
2004	66.6666641235352
2005	59.8039207458496
2006	57.5609741210938
2007	56.3106803894043
2008	61.6504859924316
2009	60.7655487060547
2010	62.6794242858887
2011	63.9810409545898
2012	63.9810409545898
2013	63.5071105957031
2014	57.211540222168
2015	44.761905670166
2016	36.6666679382324
2017	35.238094329834
2018	58.5714302062988
2019	55.7142868041992
2020	60.9523811340332
2021	56.6666679382324
2022	57.0754699707031
