Year	Number
1996	100
1998	100
2000	100
2002	100
2003	100
2004	90.3846130371094
2005	88.9952163696289
2006	89.9521560668945
2007	86.6028671264648
2008	89.4230804443359
2009	87.6777267456055
2010	87.6777267456055
2011	87.7934265136719
2012	87.7934265136719
2013	87.3239440917969
2014	81.25
2015	80
2016	78.0952377319336
2017	77.6190490722656
2018	77.1428604125977
2019	78.5714263916016
2020	83.3333358764648
2021	82.3809509277344
2022	83.0188674926758