Year	Number
1996	59.677417755127
1998	52.9411773681641
2000	52.6595726013184
2002	50.7936515808105
2003	52.3809509277344
2004	53.2019691467285
2005	57.5609741210938
2006	57.073169708252
2007	55.3398056030273
2008	59.2233009338379
2009	63.1578941345215
2010	62.8571434020996
2011	62.5592422485352
2012	60.6635055541992
2013	63.9810409545898
2014	61.538459777832
2015	56.6666679382324
2016	55.238094329834
2017	55.238094329834
2018	51.9047622680664
2019	51.4285697937012
2020	49.0476188659668
2021	43.3333320617676
2022	41.9811325073242