Year	Number
1996	46.7336692810059
1998	44.5
2000	39.8009948730469
2002	45.7711448669434
2003	48.756217956543
2004	43.269229888916
2005	39.7129173278809
2006	45.9330139160156
2007	46.4114837646484
2008	41.3461532592773
2009	47.3933639526367
2010	46.9194297790527
2011	49.7652587890625
2012	41.3145523071289
2013	41.7840385437012
2014	39.4230766296387
2015	43.3333320617676
2016	36.1904754638672
2017	35.238094329834
2018	40.9523811340332
2019	43.3333320617676
2020	40.9523811340332
2021	46.1904754638672
2022	43.8679237365723