Year	Number
1996	41.3978500366211
1998	38.5026741027832
2000	42.0212783813477
2002	41.2698402404785
2003	44.9735450744629
2004	43.3497543334961
2005	47.8048782348633
2006	46.3414649963379
2007	53.3980598449707
2008	53.3980598449707
2009	52.1531105041504
2010	47.6190490722656
2011	54.028434753418
2012	55.4502372741699
2013	55.4502372741699
2014	53.8461532592773
2015	52.3809509277344
2016	49.523811340332
2017	43.3333320617676
2018	38.5714302062988
2019	37.6190490722656
2020	33.3333320617676
2021	33.8095245361328
2022	45.7547187805176