Year	% of total population
1960	40.71990164594391
1961	40.974393042937905
1962	41.22509207737792
1963	41.472424443240925
1964	41.64263634916751
1965	41.711102191342206
1966	41.741160470767696
1967	41.74359214448812
1968	41.72564084554768
1969	41.688659768134954
1970	41.62097611398607
1971	41.551757345914574
1972	41.47790232450699
1973	41.381934954122485
1974	41.28123759398088
1975	41.15813943996063
1976	41.01918432739768
1977	40.87134912903465
1978	40.711292425995985
1979	40.55662277343423
1980	40.40772680143663
1981	40.26992184586977
1982	40.14842188967871
1983	40.03805011946091
1984	39.94402006125678
1985	39.84413002011362
1986	39.726320517816916
1987	39.590895185527614
1988	39.43282199904241
1989	39.26273650811729
1990	39.077513219489894
1991	38.878403592873106
1992	38.69582732485372
1993	38.507657173139116
1994	38.28055776758483
1995	38.01726025144094
1996	37.715231171728206
1997	37.389529821057344
1998	37.04816923866528
1999	36.689696938273556
2000	36.314330144969595
2001	35.93829624324738
2002	35.587176395564015
2003	35.2395498454667
2004	34.86648875613123
2005	34.4802113590608
2006	34.0865568920549
2007	33.692987677786185
2008	33.301130612003206
2009	32.89853931996009
2010	32.48149103325882
2011	32.05457978474969
2012	31.626365249518532
2013	31.198068459861407
2014	30.752572553447955
2015	30.291132805887596
2016	29.81871160345394
2017	29.331267564972535
2018	28.852085702050577
2019	28.387990951952595
2020	27.933668790850117
2021	27.526201406486074
2022	27.156676165174254
2023	26.76979785251538