Year	% (cumulative)
1970	24.136589050293
1975	30.7707691192627
1979	35.821418762207
1980	36.1711807250977
1981	36.8098182678223
1994	48.7241592407227
1995	32.5947456359863
1996	32.9619941711426
1997	33.2234001159668
1998	34.0497093200684
1999	34.9868240356445
2000	35.2522583007812
2001	35.7121162414551
2002	36.2433128356934
2003	36.6454200744629
2004	37.8796691894531
2005	36.4735717773438
2006	37.2967414855957
2007	38.0063781738281
2008	38.0628814697266
2009	38.0480690002441
2010	38.3180809020996
2011	39.3158302307129
2012	40.1651496887207
2013	40.7895698547363
2014	40.8264198303223
2015	41.152271270752
2016	42.3129806518555
2017	43.3115348815918
2018	43.7934112548828
2019	44.6951713562012
2020	46.2867317199707
2021	45.8285980224609
2022	45.8894386291504
2023	47.1489868164062