Year	% of total population
1960	48.4508137794487
1961	48.4992119280726
1962	48.5449735449735
1963	48.5836695192632
1964	48.5912681737961
1965	48.5801730952429
1966	48.5671825656769
1967	48.5513467616397
1968	48.5304829193678
1969	48.508387300862
1970	48.4752864934558
1971	48.4292593441871
1972	48.2994219378919
1973	48.0933352689043
1974	47.8887911990484
1975	47.691889611179
1976	47.4999307268143
1977	47.2944224096854
1978	47.234706819734
1979	47.3269299899724
1980	47.4127549804085
1981	47.493072496033
1982	47.5688728540865
1983	47.6189944258889
1984	47.6434101754884
1985	47.6617727025557
1986	47.6789319236613
1987	47.6927297110578
1988	47.7049667889362
1989	47.7356453713251
1990	47.7845837537721
1991	47.8328475148995
1992	47.8815778090438
1993	47.9294992713912
1994	47.975246176685
1995	48.0194084149218
1996	48.0604960265999
1997	48.1216218477552
1998	48.1978903335776
1999	48.2702039129572
2000	48.3439406680031
2001	48.414618367451
2002	48.4774462928875
2003	48.5197949637691
2004	48.5464115119117
2005	48.5711650557072
2006	48.6014965387539
2007	48.6497853892112
2008	48.7075756171629
2009	48.7606409170938
2010	48.8163699663129
2011	48.8714002769355
2012	48.926318287134
2013	48.9883068547939
2014	49.0532060592052
2015	49.1142511489545
2016	49.1754133153461
2017	49.2293112201726
2018	49.2748802107484
2019	49.3195247516824
2020	49.3667196608373
2021	49.4207846542469
2022	49.4598062550812
2023	49.4803672718796
