Year	Number
1996	60.1063842773438
1998	54.7872352600098
2000	70.8994674682617
2002	73.0158767700195
2003	60.3015060424805
2004	52.4271850585938
2005	52.4271850585938
2006	48.7922706604004
2007	42.9951705932617
2008	47.1153831481934
2009	63.9810409545898
2010	59.7156410217285
2011	54.9763031005859
2012	59.7156410217285
2013	50.2369651794434
2014	55.238094329834
2015	45.238094329834
2016	45.238094329834
2017	39.523811340332
2018	41.5094337463379
2019	31.1320762634277
2020	44.3396224975586
2021	45.7547187805176
2022	46.698112487793