Year	Number
1996	57.5268821716309
1998	52.9411773681641
2000	56.9148941040039
2002	57.1428565979004
2003	60.3174591064453
2004	52.2167472839355
2005	54.1463432312012
2006	57.5609741210938
2007	56.7961158752441
2008	58.2524261474609
2009	55.9808616638184
2010	56.6666679382324
2011	56.8720397949219
2012	53.554500579834
2013	50.7108993530273
2014	42.788459777832
2015	42.8571434020996
2016	49.523811340332
2017	43.3333320617676
2018	41.4285697937012
2019	44.761905670166
2020	45.238094329834
2021	40.476188659668
2022	33.0188674926758