Year	Number
1996	42.3913040161133
1998	42.3913040161133
2000	46.7391319274902
2002	50.2702713012695
2003	42.7027015686035
2004	43.7810935974121
2005	37.2549018859863
2006	39.705883026123
2007	43.6893196105957
2008	48.0582542419434
2009	49.7607650756836
2010	46.4114837646484
2011	46.445499420166
2012	46.9194297790527
2013	45.971565246582
2014	40.3846168518066
2015	37.6190490722656
2016	35.7142868041992
2017	33.3333320617676
2018	36.1904754638672
2019	36.1904754638672
2020	35.7142868041992
2021	35.238094329834
2022	34.4339637756348