Year	% (cumulative)
1991	40.5042381286621
2006	63.0135688781738
2007	66.1975784301758
2008	60.6652030944824
2009	61.9947891235352
2010	64.7954635620117
2011	63.8843612670898
2012	65.6263732910156
2013	67.2111511230469
2014	70.7104644775391
2015	71.2682113647461
2016	71.0859909057617
2017	68.0849990844727
2018	72.3716735839844
2019	73.2707290649414
2020	75.0521850585938
2021	76.9405288696289
2022	77.9629516601562