Year	% (cumulative)
1991	9.3306303024292
2004	68.0335311889648
2005	67.3202667236328
2006	69.513801574707
2007	69.3611526489258
2008	70.0892791748047
2009	71.595329284668
2010	72.3002319335938
2011	73.1224212646484
2012	74.5240325927734
2013	75.4740829467773
2014	75.3164596557617
2015	76.824577331543
2016	77.2968063354492
2017	78.4124069213867
2018	78.5196762084961
2019	79.4240036010742
2020	80.656494140625
2021	82.8727188110352
2022	83.1134338378906