Year	% (cumulative)
1973	6.09999990463257
1981	9.10000038146973
2000	16.3799991607666
2002	17.1474800109863
2006	21.5200004577637
2012	24.1801605224609
2013	25.4574794769287
2014	24.8500003814697
2015	25.2201194763184
2019	32.2936897277832