Year	% of total population
1960	41.9678143915346
1961	42.0553294327729
1962	42.1194361127909
1963	42.1978700688319
1964	42.3638999222967
1965	42.4613020791307
1966	42.4416542788984
1967	42.4364959326658
1968	42.4418268494841
1969	42.4613846808195
1970	42.4983637245106
1971	42.5438714912658
1972	42.597185475859
1973	42.6652219248833
1974	42.7636227035898
1975	42.923106030431
1976	43.1543092297844
1977	43.4294161194366
1978	43.6994750224634
1979	43.9214918017299
1980	44.070035067268
1981	44.1425568074452
1982	44.1569983885359
1983	44.1427725297352
1984	44.1212552952213
1985	44.0916307673969
1986	44.0557147346962
1987	44.0189489246273
1988	43.9815566355658
1989	43.9473865881298
1990	43.9254318489585
1991	43.9223663350818
1992	43.9340589760466
1993	43.9528473761316
1994	43.9574513090349
1995	43.9242794218165
1996	43.845087366676
1997	43.6611227468978
1998	43.3665245420577
1999	43.0154798952932
2000	42.6175501343896
2001	42.1689230968238
2002	41.6599879310059
2003	41.0831517202872
2004	40.438466809433
2005	39.6880985209219
2006	38.8593855338679
2007	38.0461943261669
2008	37.2830041877575
2009	36.5867703639343
2010	35.9488621542288
2011	35.3489181075807
2012	34.777328890018
2013	34.2108155576158
2014	33.6321224056834
2015	33.1293235322587
2016	32.7268954433902
2017	32.3676245374159
2018	32.0382018001253
2019	31.7120589657342
2020	31.3743314171013
2021	31.0167362340292
2022	30.6422160907633
2023	30.2634730625207