Year	% of total population
1960	3.09216429254692
1961	3.06379789886296
1962	3.04530841802251
1963	3.04257839626367
1964	3.04323941517913
1965	3.04557419886338
1966	3.06789984209339
1967	3.07555827470174
1968	3.06424547524871
1969	3.06246102803628
1970	3.06415059432959
1971	3.07151511014794
1972	3.08427284081299
1973	3.098426782768
1974	3.1307230388827
1975	3.17992661296362
1976	3.23744607329291
1977	3.29692113472514
1978	3.35822252705855
1979	3.42880235425777
1980	3.50746577325557
1981	3.59438487074774
1982	3.68973806109501
1983	3.79507326177293
1984	3.91558659073926
1985	4.04669541340175
1986	4.17398470294352
1987	4.27961228848365
1988	4.35528418344165
1989	4.42266935692904
1990	4.50636603968519
1991	4.59804362207667
1992	4.69925096085553
1993	4.81096375067217
1994	4.91770403533487
1995	5.02418068246038
1996	5.13598482958232
1997	5.2320729599237
1998	5.29784987616313
1999	5.35192484948324
2000	5.39704198240784
2001	5.43893730712773
2002	5.48822781395707
2003	5.54685591966325
2004	5.61140942153166
2005	5.65966289103362
2006	5.68744702891044
2007	5.71140546243113
2008	5.72606890360229
2009	5.7142723810946
2010	5.74110547709844
2011	5.82935680068395
2012	5.90640174136295
2013	5.96092969399285
2014	5.97933890110715
2015	5.98650609675656
2016	6.00714235035357
2017	6.03898875871555
2018	6.09412223432128
2019	6.14718367230266
2020	6.18218785034298
2021	6.20183555467519
2022	6.21294714924081
2023	6.24135915303462