Year	% of total population
1960	40.90117516939043
1961	40.97086385746325
1962	41.13991002149625
1963	41.48148974680595
1964	41.76435740117408
1965	41.891839134067
1966	41.95216172561751
1967	41.91765273821277
1968	41.855755447048644
1969	41.806972079271205
1970	41.71637419931996
1971	41.62353232414396
1972	41.48005291964814
1973	41.32167957395183
1974	41.23014180887267
1975	41.144217816243675
1976	41.03990303489617
1977	40.777655894507696
1978	40.2714490887791
1979	39.75407079584856
1980	39.31884115911552
1981	38.92390852400784
1982	38.60500167843182
1983	38.26206760538822
1984	37.87691233518529
1985	37.51842361789851
1986	37.19316187162779
1987	36.92328270558086
1988	36.66886644189328
1989	36.440235358282706
1990	36.270782547027174
1991	36.088746649084904
1992	35.888236146504724
1993	35.68468996637036
1994	35.42774400980422
1995	35.1162038436336
1996	34.7660135916044
1997	34.36186504086355
1998	33.94252525991042
1999	33.529030264105664
2000	33.10296582130446
2001	32.65705436283226
2002	32.1921589683485
2003	31.737156897761746
2004	31.292453217995586
2005	30.847716615217248
2006	30.45796598745616
2007	30.149102721487647
2008	29.88860514904645
2009	29.660757254861565
2010	29.451109187047333
2011	29.25880740069336
2012	29.09595623119964
2013	28.952755292435253
2014	28.81077893482514
2015	28.653464507746644
2016	28.485030403286274
2017	28.319650363776713
2018	28.13705738003859
2019	27.927371106836098
2020	27.694291137622457
2021	27.449915167471946
2022	27.20806403093798
2023	26.92852531350335