Year	Number
1996	88.9447250366211
1998	88.5
2000	85.0746231079102
2002	88.5572128295898
2003	88.5572128295898
2004	87.9807662963867
2005	87.5598068237305
2006	79.4258346557617
2007	82.2966537475586
2008	83.6538467407227
2009	83.4123229980469
2010	82.9383850097656
2011	80.2816925048828
2012	82.6291046142578
2013	83.0985946655273
2014	84.1346130371094
2015	82.3809509277344
2016	82.8571395874023
2017	83.3333358764648
2018	84.2857131958008
2019	83.8095245361328
2020	85.2380981445313
2021	84.2857131958008
2022	83.9622650146484