Year	Number
1996	100
1998	100
2000	100
2002	100
2003	98.4924621582031
2004	100
2005	100
2006	99.0338134765625
2007	100
2008	100
2009	99.052131652832
2010	99.052131652832
2011	99.5260696411133
2012	99.5260696411133
2013	99.5260696411133
2014	99.523811340332
2015	98.5714263916016
2016	94.7619018554688
2017	95.2380981445313
2018	93.8679275512695
2019	97.1698150634766
2020	98.5849075317383
2021	97.6415100097656
2022	97.6415100097656