Year	Number
1996	57.9234962463379
1998	57.9234962463379
2000	56.2841529846191
2002	60.5405387878418
2003	60.5405387878418
2004	59.2039794921875
2005	55.8823547363281
2006	64.8780517578125
2007	55.3398056030273
2008	53.8834953308105
2009	56.4593315124512
2010	47.3684196472168
2011	43.1279602050781
2012	41.2322273254395
2013	43.1279602050781
2014	39.9038467407227
2015	36.1904754638672
2016	33.3333320617676
2017	38.0952377319336
2018	39.0476188659668
2019	36.6666679382324
2020	32.8571434020996
2021	31.4285717010498
2022	27.3584899902344