Year	Number
1996	100
1998	98.9071044921875
2000	97.2677612304688
2002	98.9189224243164
2003	98.9189224243164
2004	99.5024871826172
2005	99.0196075439453
2006	97.5609741210938
2007	97.5728149414063
2008	99.0291290283203
2009	98.5645904541016
2010	99.0430603027344
2011	100
2012	99.052131652832
2013	99.052131652832
2014	100
2015	99.523811340332
2016	99.523811340332
2017	99.523811340332
2018	98.5714263916016
2019	99.523811340332
2020	98.5714263916016
2021	95.7142868041992
2022	97.6415100097656