Year	Number
1996	63.0434799194336
1998	64.6739120483398
2000	64.6739120483398
2002	60.5405387878418
2003	52.972972869873
2004	50.2487564086914
2005	48.0392150878906
2006	44.6078414916992
2007	50
2008	50.4854354858398
2009	45.4545440673828
2010	45.4545440673828
2011	39.8104248046875
2012	50.2369651794434
2013	51.1848335266113
2014	49.038459777832
2015	44.2857131958008
2016	46.6666679382324
2017	43.3333320617676
2018	44.761905670166
2019	42.8571434020996
2020	40.476188659668
2021	39.523811340332
2022	39.1509437561035