Annual % of total population
1960 38.7490602241997
1961 39.0111050508056
1962 39.2497026919889
1963 39.4633910210658
1964 39.5257779070251
1965 39.4529667688668
1966 39.3876630505079
1967 39.3468645216523
1968 39.3592949485371
1969 39.5060624878468
1970 39.7572210566169
1971 39.9994870997575
1972 40.2060505236408
1973 40.4003683939467
1974 40.6121314640597
1975 40.8569466729506
1976 41.1565962981817
1977 41.438478574087
1978 41.6622210572367
1979 41.8817194487542
1980 42.0760791268227
1981 42.2414547903687
1982 42.3977247174108
1983 41.9504133703941
1984 41.1415538506877
1985 40.7161866805505
1986 40.6263411662688
1987 40.7777582220465
1988 41.0542266729844
1989 41.3724202448823
1990 41.6978663900041
1991 42.0135881235867
1992 42.3072818647031
1993 42.5690455870028
1994 42.7770226225574
1995 42.9122740376342
1996 42.9818237371111
1997 42.9947817758475
1998 42.9609168315511
1999 42.8435556620819
2000 42.7380043417516
2001 42.5698676645295
2002 42.1707947920445
2003 41.6063575038528
2004 40.9564896442812
2005 40.3126306410177
2006 39.7580674108906
2007 39.3395126233842
2008 39.0644857666777
2009 38.9173084625069
2010 38.8694816790305
2011 38.7969295501962
2012 38.6917111630812
2013 38.6412619248019
2014 38.6381692780094
2015 38.6803595914692
2016 38.7681554391885
2017 38.8649501548914
2018 38.9142405772218
2019 38.8737053135788
2020 38.8558367743837
2021 38.7664040629796
2022 38.4912186221572
2023 38.1225500044761