Year	Number
1996	58.152172088623
1998	58.152172088623
2000	62.5
2002	62.7027015686035
2003	62.1621627807617
2004	62.1890563964844
2005	60.294116973877
2006	59.3137245178223
2007	58.737865447998
2008	58.2524261474609
2009	56.4593315124512
2010	54.5454559326172
2011	54.028434753418
2012	46.445499420166
2013	45.0236968994141
2014	43.269229888916
2015	42.8571434020996
2016	38.0952377319336
2017	36.6666679382324
2018	33.8095245361328
2019	32.3809509277344
2020	31.9047622680664
2021	35.7142868041992
2022	35.3773574829102