Year	% of total population
1960	5.9662641644018
1961	5.84528988425718
1962	5.73259386438721
1963	5.62821670664204
1964	5.53002967472856
1965	5.43719065750483
1966	5.34939587082171
1967	5.26560278562836
1968	5.18584008265495
1969	5.10943999762256
1970	5.03467404545083
1971	4.96224477521471
1972	4.89287189742264
1973	4.82507557602073
1974	4.75691751357392
1975	4.68870747147648
1976	4.62216098206833
1977	4.55679109330052
1978	4.49287269169824
1979	4.42841719973599
1980	4.36086807339241
1981	4.2914002012904
1982	4.22188620738857
1983	4.1541267926741
1984	4.08701650718291
1985	4.02065639232212
1986	3.95641411294571
1987	3.89410949996236
1988	3.8339692995596
1989	3.77563417729653
1990	3.71881744712272
1991	3.66320297076607
1992	3.60899651918753
1993	3.54101136478245
1994	3.4812220831503
1995	3.44238218059821
1996	3.40550882837459
1997	3.37059063169619
1998	3.33831851271449
1999	3.30867725237159
2000	3.28178401242751
2001	3.25703939127907
2002	3.23315414349423
2003	3.21099800468913
2004	3.19320128787516
2005	3.179312537495
2006	3.17090563657978
2007	3.16879728572501
2008	3.17108851841782
2009	3.1757104336003
2010	3.18076688680718
2011	3.18297747039611
2012	3.17751154037788
2013	3.1604376503974
2014	3.1208042247253
2015	3.09177896004252
2016	3.08768997248644
2017	3.08510678202572
2018	3.08584094034483
2019	3.09036028315983
2020	3.08886103536286
2021	3.07638478267309
2022	3.06457850540528
2023	3.06726300366343