Year	Number
1996	52.1505393981934
1998	50.2673797607422
2000	45.7446823120117
2002	46.0317459106445
2003	49.2063484191895
2004	35.4679794311523
2005	40
2006	37.073169708252
2007	42.2330093383789
2008	37.8640785217285
2009	48.3253593444824
2010	42.8571434020996
2011	43.1279602050781
2012	46.445499420166
2013	48.8151664733887
2014	51.4423065185547
2015	50
2016	47.6190490722656
2017	42.3809509277344
2018	44.2857131958008
2019	43.3333320617676
2020	48.5714302062988
2021	51.9047622680664
2022	52.8301887512207