Year	% of total population
1960	41.11525923864202
1961	41.428358185788426
1962	41.69516800355313
1963	41.96742120173374
1964	42.25265906371089
1965	42.54705828660375
1966	42.84770922044952
1967	43.15311314568774
1968	43.46926667281329
1969	43.79016589448513
1970	44.10404682704463
1971	44.221056030209496
1972	44.270796724662794
1973	44.297284300432906
1974	44.29959519451543
1975	44.32049735893619
1976	44.37343841865068
1977	44.4209580224139
1978	44.4665409102096
1979	44.51454955954028
1980	44.57090742083004
1981	44.48878931878206
1982	44.3493501761692
1983	44.217076020716384
1984	44.095810308573654
1985	43.98410782777836
1986	43.87467792555601
1987	43.76599096636636
1988	43.65991231774832
1989	43.56179796868509
1990	43.4785652658829
1991	43.39967032326064
1992	43.26890694594615
1993	43.15007917186348
1994	43.037054807754984
1995	42.9370794059768
1996	42.8625867852605
1997	42.81365427730551
1998	42.78267483725904
1999	42.75445324016996
2000	42.73502085497325
2001	42.72900305767056
2002	42.794090055839476
2003	42.914432886593
2004	43.043385679761016
2005	43.163495651105166
2006	43.28437949622679
2007	43.41808307234374
2008	43.559250687463596
2009	43.68985431199594
2010	44.15555304340667
2011	44.05329279189869
2012	43.87536026112115
2013	43.70556218424145
2014	43.5459309342739
2015	43.39671648632942
2016	43.25798763616769
2017	43.12799980002184
2018	43.00810243926317
2019	42.90402893612082
2020	42.82019852319567
2021	42.75880324777275
2022	42.719862925850485
2023	42.70232112897981