Year	Number
1996	56.9148941040039
1998	45.2127647399902
2000	47.6190490722656
2002	48.1481475830078
2003	47.2361793518066
2004	35.9223289489746
2005	42.2330093383789
2006	49.2753639221191
2007	41.5458946228027
2008	42.3076934814453
2009	43.1279602050781
2010	40.2843589782715
2011	41.2322273254395
2012	43.1279602050781
2013	42.6540298461914
2014	34.2857131958008
2015	33.3333320617676
2016	32.3809509277344
2017	32.3809509277344
2018	28.7735843658447
2019	18.3962268829346
2020	17.4528293609619
2021	18.8679237365723
2022	18.8679237365723