Year	Number
1996	66.3043441772461
1998	72.2826080322266
2000	65.2173919677734
2002	61.6216201782227
2003	57.8378372192383
2004	56.2189064025879
2005	39.2156867980957
2006	29.4117641448975
2007	25.2427177429199
2008	30.0970878601074
2009	29.6650714874268
2010	33.0143547058105
2011	33.1753540039063
2012	31.7535552978516
2013	34.1232223510742
2014	31.25
2015	30
2016	26.6666660308838
2017	28.0952377319336
2018	26.1904754638672
2019	27.1428565979004
2020	26.6666660308838
2021	20.9523811340332
2022	20.2830181121826