Year	Number
1996	64.4808731079102
1998	66.6666641235352
2000	65.0273208618164
2002	62.7027015686035
2003	63.7837829589844
2004	56.2189064025879
2005	68.6274490356445
2006	65.8536605834961
2007	61.6504859924316
2008	59.7087364196777
2009	57.4162673950195
2010	56.4593315124512
2011	57.3459701538086
2012	57.8199043273926
2013	57.8199043273926
2014	72.5961532592773
2015	72.3809509277344
2016	73.3333358764648
2017	73.8095245361328
2018	73.3333358764648
2019	67.1428604125977
2020	70.476188659668
2021	66.1904754638672
2022	62.2641525268555