Year	Number
1996	100
1998	100
2000	100
2002	100
2003	100
2004	100
2005	100
2006	100
2007	100
2008	100
2009	99.052131652832
2010	99.052131652832
2011	99.5260696411133
2012	99.5260696411133
2013	99.052131652832
2014	97.6190490722656
2015	93.8095245361328
2016	95.2380981445313
2017	94.2857131958008
2018	92.9245300292969
2019	96.2264175415039
2020	95.7547149658203
2021	96.2264175415039
2022	95.2830200195313