Year	% (cumulative)
2000	97.5344314575195
2001	97.4795303344727
2002	97.5479354858398
2003	97.638916015625
2004	97.9908599853516
2005	98.2289581298828
2006	98.0375595092773
2007	98.342658996582
2008	98.7670364379883
2009	98.9476928710938
2010	98.885139465332
2011	98.9213104248047
2012	99.0697479248047
2013	99.1203536987305
2014	99.2903594970703
2015	99.3881072998047
2016	99.4201812744141
2017	99.4533538818359
2018	99.4423828125
2019	99.4189605712891
2020	99.5380706787109
2021	99.568489074707
2022	99.5148010253906