Year	Number
1996	54.0983619689941
1998	51.3661193847656
2000	48.6338806152344
2002	50.8108100891113
2003	54.0540542602539
2004	50.7462692260742
2005	52.4509811401367
2006	53.1707305908203
2007	57.7669906616211
2008	56.7961158752441
2009	56.4593315124512
2010	56.9377975463867
2011	56.8720397949219
2012	50.7108993530273
2013	48.8151664733887
2014	45.1923065185547
2015	55.7142868041992
2016	55.7142868041992
2017	55.238094329834
2018	63.3333320617676
2019	59.0476188659668
2020	65.7142868041992
2021	60.9523811340332
2022	63.2075462341309