Year	Number
2003	100
2004	100
2005	100
2006	100
2007	100
2008	100
2009	100
2010	100
2011	99.5260696411133
2012	99.5260696411133
2013	99.5260696411133
2014	93.8095245361328
2015	94.2857131958008
2016	94.7619018554688
2017	96.1904754638672
2018	98.5849075317383
2019	98.5849075317383
2020	99.0566024780273
2021	99.0566024780273
2022	97.6415100097656