Year	Number
1996	99.4623641967773
1998	100
2000	100
2002	100
2003	100
2004	100
2005	100
2006	99.5121917724609
2007	99.5145645141602
2008	99.0291290283203
2009	98.5645904541016
2010	98.0952377319336
2011	99.052131652832
2012	98.1042633056641
2013	98.1042633056641
2014	98.5576934814453
2015	99.523811340332
2016	99.0476226806641
2017	98.5714263916016
2018	100
2019	98.5714263916016
2020	99.523811340332
2021	99.523811340332
2022	99.5283050537109