Year	Number
1996	91.9598007202148
1998	91
2000	91.0447769165039
2002	85.572135925293
2003	89.5522384643555
2004	91.8269195556641
2005	90.4306182861328
2006	90.4306182861328
2007	90.4306182861328
2008	90.8653869628906
2009	90.0473937988281
2010	90.5213241577148
2011	89.6713638305664
2012	89.6713638305664
2013	89.2018814086914
2014	88.461540222168
2015	87.6190490722656
2016	87.6190490722656
2017	88.5714263916016
2018	88.0952377319336
2019	88.5714263916016
2020	87.1428604125977
2021	87.1428604125977
2022	85.3773574829102