Year	Number
1996	52.6881713867188
1998	46.5240631103516
2000	42.0212783813477
2002	47.0899467468262
2003	44.9735450744629
2004	40.8866996765137
2005	35.1219520568848
2006	34.634147644043
2007	33.4951438903809
2008	34.9514579772949
2009	35.8851661682129
2010	34.2857131958008
2011	31.2796211242676
2012	26.5402851104736
2013	29.8578205108643
2014	26.9230766296387
2015	30
2016	43.3333320617676
2017	37.6190490722656
2018	45.7142868041992
2019	50.476188659668
2020	46.6666679382324
2021	48.5714302062988
2022	45.2830200195313