Year	Number
1996	100
1998	100
2000	100
2002	100
2003	100
2004	100
2005	100
2006	99.0243911743164
2007	100
2008	100
2009	99.5215301513672
2010	100
2011	99.5260696411133
2012	99.5260696411133
2013	99.052131652832
2014	100
2015	100
2016	100
2017	100
2018	100
2019	100
2020	100
2021	100
2022	99.5283050537109