Year	% (cumulative)
2006	99.5182037353516
2007	98.9930191040039
2008	99.0286865234375
2009	98.8690338134766
2010	98.8733825683594
2011	98.9082260131836
2012	98.9624404907227
2013	98.8169174194336
2014	98.999885559082
2015	99.034538269043
2016	98.9583587646484
2017	99.1052703857422
2018	99.1345062255859
2019	99.0315322875977
2020	99.0400161743164
2021	98.8953399658203
2022	98.9944610595703