Year	Number
1996	53.7634391784668
1998	50.8021392822266
2000	52.6595726013184
2002	51.8518524169922
2003	49.2063484191895
2004	46.7980308532715
2005	48.7804870605469
2006	39.0243911743164
2007	37.8640785217285
2008	37.3786392211914
2009	52.6315803527832
2010	46.6666679382324
2011	43.1279602050781
2012	45.497631072998
2013	43.1279602050781
2014	44.711540222168
2015	43.3333320617676
2016	43.3333320617676
2017	46.1904754638672
2018	44.2857131958008
2019	39.0476188659668
2020	31.9047622680664
2021	36.6666679382324
2022	38.2075462341309