Year	% of total population
1960	3.82481462284867
1961	3.83671920827705
1962	3.85030432193427
1963	3.86558441480675
1964	3.87813885330807
1965	3.88841257306239
1966	3.89672154769297
1967	3.90288008334606
1968	3.90715649948977
1969	3.90985410656177
1970	3.91043466260661
1971	3.90911902947634
1972	3.90676599796298
1973	3.90304582801805
1974	3.89741248988057
1975	3.88962769777426
1976	3.8814810817676
1977	3.87260840149676
1978	3.86009272858214
1979	3.84489899254268
1980	3.82156275112189
1981	3.79232845942167
1982	3.77573812980367
1983	3.76478592491898
1984	3.74600472279193
1985	3.72388334064564
1986	3.69898796682828
1987	3.67206734545059
1988	3.64562794452903
1989	3.61933416068323
1990	3.59239999580072
1991	3.56532094349844
1992	3.53852333135275
1993	3.51171996159456
1994	3.48445630887559
1995	3.45713886175059
1996	3.43027184582378
1997	3.40391176328605
1998	3.37710484859216
1999	3.34895505964941
2000	3.32011306028664
2001	3.29194908261035
2002	3.2641474351599
2003	3.23534580391757
2004	3.20408387993699
2005	3.17041154528692
2006	3.13673917155233
2007	3.10400865314264
2008	3.07266076127594
2009	3.04334676344463
2010	3.01624609653977
2011	2.99111594071712
2012	2.96596953579486
2013	2.93513337354995
2014	2.89221974310284
2015	2.85154512758887
2016	2.82143614757821
2017	2.79549430647249
2018	2.7745943836853
2019	2.7593518369802
2020	2.73698475900564
2021	2.70163811204006
2022	2.66846451131295
2023	2.65129064725243