Year	% (cumulative)
1991	63.3660202026367
2005	95.6316299438477
2006	95.982780456543
2007	96.1428604125977
2008	96.2956085205078
2009	97.1153793334961
2010	96.9643325805664
2011	97.3570098876953
2012	98.027702331543
2013	98.2712783813477
2014	98.3935699462891
2015	98.9304809570312
2016	98.2714691162109
2017	98.3204803466797
2018	98.6142654418945
2019	98.7443389892578
2020	99.0975799560547
2021	99.1415405273438
2022	98.9072875976562