Year	% (cumulative)
1992	52.487979888916
2001	91.039680480957
2006	93.6214065551758
2007	94.1538467407227
2008	94.0871505737305
2009	94.3940963745117
2010	94.8641586303711
2011	95.2125015258789
2012	95.7212677001953
2013	95.7579498291016
2014	95.537109375
2015	96.0647430419922
2016	96.2165298461914
2017	96.4263610839844
2018	96.4213485717773
2019	96.5412063598633
2020	96.5407867431641
2021	96.7388916015625
2022	97.1052017211914