Year	% of total population
1960	2.62129396828558
1961	2.56472413458741
1962	2.47273411056788
1963	2.41013258007199
1964	2.39009533898305
1965	2.37484502586465
1966	2.38371610977531
1967	2.42273019961365
1968	2.46597809321124
1969	2.47949538764609
1970	2.4819944598338
1971	2.49152880207295
1972	2.49973274418273
1973	2.52199516281678
1974	2.54549841444919
1975	2.56319215487362
1976	2.594585644507
1977	2.64964060294332
1978	2.72686776123202
1979	2.79290383985271
1980	2.82039196606407
1981	2.85676536649099
1982	2.90529173087526
1983	2.95766979719613
1984	3.0077551875917
1985	3.0405788697417
1986	3.05551849201247
1987	3.07291909808132
1988	3.10563190514686
1989	3.14228309713101
1990	3.17871931071981
1991	3.2128022207934
1992	3.24996255803505
1993	3.27900887169266
1994	3.29231092878931
1995	3.27896481339301
1996	3.24587155963303
1997	3.20813278754892
1998	3.16855997031959
1999	3.14008403653158
2000	3.17965979443409
2001	3.28423976407654
2002	3.39910961376489
2003	3.5260310145753
2004	3.64769069248857
2005	3.74296992349879
2006	3.81790191334946
2007	3.88950472220991
2008	3.94163587729578
2009	3.96452696600802
2010	4.04105780362629
2011	4.17694715522003
2012	4.32936312079193
2013	4.51457684687235
2014	4.71977248570854
2015	4.94860613611587
2016	5.20734221376467
2017	5.48692962416352
2018	5.78535436973402
2019	6.1051764034615
2020	6.45391759942843
2021	6.84467636282891
2022	7.26297362922808
2023	7.68994295733755