Year	Number
1996	70.1086959838867
1998	75.5434799194336
2000	68.4782638549805
2002	63.2432441711426
2003	61.6216201782227
2004	52.7363166809082
2005	58.3333320617676
2006	54.4117660522461
2007	52.9126205444336
2008	50.4854354858398
2009	50.7177047729492
2010	52.1531105041504
2011	51.6587677001953
2012	47.3933639526367
2013	45.0236968994141
2014	44.711540222168
2015	41.9047622680664
2016	42.8571434020996
2017	40
2018	31.9047622680664
2019	29.5238094329834
2020	34.2857131958008
2021	36.6666679382324
2022	40.5660362243652