Year	Number
1996	32.7957000732422
1998	35.294116973877
2000	57.4468078613281
2002	62.4338607788086
2003	63.4920616149902
2004	61.0837440490723
2005	58.5365867614746
2006	58.0487823486328
2007	58.2524261474609
2008	56.3106803894043
2009	55.9808616638184
2010	58.5714302062988
2011	58.2938385009766
2012	58.2938385009766
2013	61.1374397277832
2014	62.019229888916
2015	60.9523811340332
2016	60.9523811340332
2017	56.6666679382324
2018	57.1428565979004
2019	58.0952377319336
2020	59.523811340332
2021	56.6666679382324
2022	59.9056587219238