Year	Number
1996	34.4086036682129
1998	25.6684494018555
2000	34.042552947998
2002	23.280424118042
2003	29.100528717041
2004	26.6009845733643
2005	29.7560977935791
2006	31.2195129394531
2007	41.262134552002
2008	40.7766990661621
2009	28.7081336975098
2010	32.8571434020996
2011	36.4928894042969
2012	38.8625602722168
2013	39.8104248046875
2014	42.788459777832
2015	46.6666679382324
2016	47.6190490722656
2017	53.3333320617676
2018	53.8095245361328
2019	47.1428565979004
2020	45.7142868041992
2021	48.0952377319336
2022	48.113208770752