Year	% (cumulative)
1980	5.80000019073486
1990	10.2741899490356
1995	17.7491207122803
2005	55.9706611633301
2006	56.3012390136719
2007	57.5747985839844
2008	60.6264305114746
2009	60.4360389709473
2010	62.5364608764648
2011	63.6941719055176
2012	64.8990631103516
2013	66.0079116821289
2014	67.0673370361328
2015	68.2835006713867
2016	67.8348999023438
2017	68.6273193359375
2018	70.5658874511719
2019	72.0738372802734
2020	72.3010711669922
2021	80.3494110107422
2022	81.2749328613281