Year	Number
1996	89.9497451782227
1998	87
2000	89.0547256469727
2002	89.0547256469727
2003	89.0547256469727
2004	88.9423065185547
2005	88.5167465209961
2006	88.9952163696289
2007	88.9952163696289
2008	89.4230804443359
2009	88.6255950927734
2010	90.0473937988281
2011	90.1408462524414
2012	90.1408462524414
2013	90.1408462524414
2014	88.9423065185547
2015	88.0952377319336
2016	88.5714263916016
2017	87.6190490722656
2018	87.6190490722656
2019	87.6190490722656
2020	87.6190490722656
2021	87.6190490722656
2022	88.2075500488281