Year	Number
1996	84.239128112793
1998	87.5
2000	88.0434799194336
2002	88.6486511230469
2003	87.5675659179688
2004	87.5621871948242
2005	88.2352905273438
2006	84.8039245605469
2007	86.4077682495117
2008	86.8932037353516
2009	84.6889953613281
2010	84.2105255126953
2011	81.0426559448242
2012	78.1990509033203
2013	79.1469192504883
2014	74.5192337036133
2015	75.7142868041992
2016	81.4285736083984
2017	79.523811340332
2018	80.476188659668
2019	81.9047622680664
2020	73.8095245361328
2021	73.8095245361328
2022	75.9433975219727