Year	Number
1996	35.4838714599609
1998	41.7112312316895
2000	44.680850982666
2002	65.6084671020508
2003	60.3174591064453
2004	56.6502456665039
2005	54.634147644043
2006	56.5853652954102
2007	54.3689308166504
2008	53.3980598449707
2009	56.9377975463867
2010	53.8095245361328
2011	56.8720397949219
2012	57.3459701538086
2013	56.8720397949219
2014	55.769229888916
2015	54.2857131958008
2016	52.8571434020996
2017	50.9523811340332
2018	53.3333320617676
2019	50.9523811340332
2020	50.9523811340332
2021	46.6666679382324
2022	47.6415100097656