Year	% (cumulative)
1980	10.9612598419189
1990	15.4578695297241
1995	24.9894199371338
2005	63.0224113464355
2006	61.3587608337402
2007	61.8966789245605
2008	65.9195098876953
2009	66.1602020263672
2010	68.7248306274414
2011	69.6855697631836
2012	70.7727737426758
2013	71.7842330932617
2014	72.2519073486328
2015	73.7881774902344
2016	73.8218307495117
2017	74.4133224487305
2018	76.7465515136719
2019	77.1215591430664
2020	77.04052734375
2021	78.3798294067383
2022	79.0599670410156