Year	% (cumulative)
2003	100
2006	95.955192565918
2007	98.2050094604492
2008	98.2880020141602
2009	98.3612518310547
2010	98.3085250854492
2011	98.2026824951172
2012	98.1707153320312
2013	98.1882095336914
2014	98.1111602783203
2015	98.1624603271484
2016	98.2200164794922
2017	98.2561874389648
2018	98.1657333374023
2019	98.2582702636719
2020	98.3071212768555
2021	98.4768218994141
2022	98.5132064819336