Year	% of total population
1960	56.6002277651324
1961	57.2412534983782
1962	58.0226083016348
1963	58.8842093879733
1964	59.8063119205961
1965	60.7116706137542
1966	61.5543828090289
1967	62.2987866681868
1968	62.9654258454892
1969	63.5834624980053
1970	64.1301590924943
1971	64.595254189953
1972	65.0544990447804
1973	65.4908552687757
1974	65.8588075274945
1975	66.1991308401566
1976	66.4528020049036
1977	66.6252371799611
1978	66.7529350330492
1979	66.8221011494183
1980	66.8320408169383
1981	66.817480994721
1982	66.7832018571048
1983	66.6676388070671
1984	66.5217604872777
1985	66.3999942712697
1986	66.3357394313694
1987	66.2946372008818
1988	66.2348405167964
1989	66.1923571648643
1990	66.2151418410116
1991	66.3043728868268
1992	66.4223222845034
1993	66.5503415800225
1994	66.7105607256916
1995	66.8833320020898
1996	67.0029252288661
1997	67.1382849177743
1998	67.3275878542355
1999	67.516241248035
2000	67.6898085350748
2001	67.8823776611551
2002	68.1440628023084
2003	68.4435968829177
2004	68.7716564517727
2005	69.1210312816912
2006	69.4705099131196
2007	69.7365323807698
2008	69.6589151224657
2009	69.3141997593261
2010	68.9422215854139
2011	68.5863763099929
2012	68.2830240028657
2013	68.0619393177533
2014	67.8958697789854
2015	67.7823200172588
2016	67.7385317668188
2017	67.7398398738678
2018	67.7959705931414
2019	67.8798811439645
2020	67.9599424089662
2021	67.9988343572258
2022	67.7227603949851
2023	67.2201201911171