Year	Number
1996	100
1998	100
2000	100
2002	99.4709014892578
2003	98.9417953491211
2004	98.0295562744141
2005	99.0243911743164
2006	99.0243911743164
2007	100
2008	100
2009	99.0430603027344
2010	99.523811340332
2011	99.5260696411133
2012	100
2013	99.5260696411133
2014	100
2015	100
2016	99.523811340332
2017	98.5714263916016
2018	100
2019	100
2020	100
2021	99.523811340332
2022	99.5283050537109