Year	Number
1996	88.9447250366211
1998	91
2000	90.0497512817383
2002	89.0547256469727
2003	89.5522384643555
2004	89.4230804443359
2005	88.9952163696289
2006	90.4306182861328
2007	89.9521560668945
2008	89.9038467407227
2009	90.5213241577148
2010	90.5213241577148
2011	89.2018814086914
2012	90.1408462524414
2013	89.6713638305664
2014	89.9038467407227
2015	88.5714263916016
2016	87.6190490722656
2017	88.0952377319336
2018	87.6190490722656
2019	87.1428604125977
2020	85.7142868041992
2021	84.2857131958008
2022	84.4339599609375