Year	Number
1996	10.5527639389038
1998	10
2000	10.4477615356445
2002	21.8905467987061
2003	21.8905467987061
2004	28.365385055542
2005	20.5741634368896
2006	36.8421058654785
2007	39.2344512939453
2008	37.5
2009	40.2843589782715
2010	41.2322273254395
2011	46.0093879699707
2012	45.0704231262207
2013	46.0093879699707
2014	53.8461532592773
2015	54.761905670166
2016	50.476188659668
2017	47.6190490722656
2018	49.0476188659668
2019	49.523811340332
2020	50
2021	49.523811340332
2022	49.0566024780273