Year	% of total population
1960	3.939810004394367
1961	3.93920077501968
1962	3.9514614992702266
1963	3.962190366525865
1964	3.9757599099852197
1965	4.00222161134258
1966	4.036010053630296
1967	4.0741035364406875
1968	4.116203581494548
1969	4.156861874944283
1970	4.194882815524789
1971	4.238226176555816
1972	4.289355610261829
1973	4.343996875346359
1974	4.407900423801596
1975	4.476342991688687
1976	4.54249943175981
1977	4.609193702844269
1978	4.6779395396012635
1979	4.743317997430058
1980	4.788996282082073
1981	4.809167822495114
1982	4.815392930798499
1983	4.823252881530265
1984	4.840675343796449
1985	4.863744548629595
1986	4.892839678782225
1987	4.928805993357692
1988	4.976775972830265
1989	5.041804958527279
1990	5.1137495096154755
1991	5.189255859689879
1992	5.277587697933287
1993	5.381142459394379
1994	5.485755977716052
1995	5.588680518902335
1996	5.689849226062105
1997	5.789973558401495
1998	5.894381275752222
1999	5.9970250650247285
2000	6.100761242715461
2001	6.211988316659168
2002	6.331723693742964
2003	6.45178520487298
2004	6.560917774802157
2005	6.662030478885733
2006	6.759601182862443
2007	6.8416325211641835
2008	6.903720147788072
2009	6.964380232350574
2010	7.036421820042687
2011	7.137128495766064
2012	7.268285795871266
2013	7.422041100320666
2014	7.611199840792681
2015	7.841654954767309
2016	8.09291501364738
2017	8.369023144804776
2018	8.66683703491557
2019	8.974309390366372
2020	9.27964475276241
2021	9.539674046336417
2022	9.787094510912919
2023	10.083365326673016