Year	% (cumulative)
1992	50.7585411071777
2001	87.8617935180664
2006	91.254020690918
2007	91.9721832275391
2008	92.1616134643555
2009	92.5782165527344
2010	93.219612121582
2011	93.7353286743164
2012	94.3036804199219
2013	94.3266372680664
2014	94.2451629638672
2015	94.8150024414062
2016	95.1430511474609
2017	95.3857192993164
2018	95.4031372070312
2019	95.5573577880859
2020	95.6712493896484
2021	95.9116287231445
2022	96.3750305175781