Annual % of total population
1960 19.17545799535623
1961 19.513824251788435
1962 19.886875986966064
1963 20.265943958846112
1964 20.65568890673378
1965 21.058765119058965
1966 21.451272211813748
1967 21.50938950607086
1968 21.58096993042747
1969 21.666807124553493
1970 21.769012844752453
1971 21.89039201828531
1972 22.02331918774742
1973 22.15646838848412
1974 22.289946310574212
1975 22.413944816408183
1976 22.53422969781117
1977 22.59294568133025
1978 22.599156410826502
1979 22.58845126874927
1980 22.5612543646012
1981 22.529715371680705
1982 22.495201475539083
1983 22.439665440890373
1984 22.374443013430543
1985 22.30805624679892
1986 22.246479014702636
1987 22.28340288023469
1988 22.38112670848812
1989 22.49220907500672
1990 22.630659326119908
1991 22.80772841536044
1992 23.010049051876756
1993 23.221479516863194
1994 23.450498405859822
1995 23.697152432527993
1996 23.958826020421352
1997 24.049069190477056
1998 24.04376932937699
1999 24.046006425569693
2000 24.05893674089573
2001 24.074184212780636
2002 24.08180100161359
2003 24.090210272794547
2004 24.112881553618028
2005 24.145836418472467
2006 24.188438325494822
2007 24.229893775453057
2008 24.269801020297233
2009 24.31032320252763
2010 24.333521870621503
2011 24.312948285883323
2012 24.279299331252208
2013 24.23258760719481
2014 24.179182002103015
2015 24.15934935153309
2016 24.168273219672525
2017 24.20056055746323
2018 24.254922353811445
2019 24.301967404986566
2020 24.362569538135038
2021 24.440159887715215
2022 24.536985067938897
2023 24.638499114389525