Year	Number
1996	100
1998	99.4680862426758
2000	98.9417953491211
2002	94.7089920043945
2003	99.4974899291992
2004	98.0582504272461
2005	99.5145645141602
2006	99.0338134765625
2007	98.5507278442383
2008	99.038459777832
2009	94.7867279052734
2010	95.7345962524414
2011	98.1042633056641
2012	98.5782012939453
2013	98.5782012939453
2014	97.1428604125977
2015	96.1904754638672
2016	95.2380981445313
2017	96.1904754638672
2018	93.8679275512695
2019	97.1698150634766
2020	96.698112487793
2021	96.698112487793
2022	96.698112487793