Annual % of total population
1960 42.7143135520813
1961 44.10926062531919
1962 45.66454187013441
1963 47.420480745958756
1964 49.420767671879254
1965 51.65624262789347
1966 54.16116465489373
1967 56.96380430920984
1968 57.16586603740016
1969 55.74249489656915
1970 54.78657022852619
1971 54.85134087828326
1972 55.75505647759247
1973 57.350083570001765
1974 59.610736754377946
1975 62.51688461779115
1976 62.856961429685576
1977 60.88594504435808
1978 59.65344106225419
1979 59.073566902819294
1980 59.19423932594907
1981 58.99652784089876
1982 58.404289569946975
1983 57.930124469525815
1984 57.61386071261783
1985 57.45366558031107
1986 56.8307145721684
1987 55.84605456279519
1988 55.12950493591126
1989 54.63629565139745
1990 54.35489074289359
1991 54.26320577300247
1992 54.35295107197655
1993 54.60561943503394
1994 55.031592632793824
1995 55.60278029308279
1996 55.8820088349558
1997 55.88996689509814
1998 56.10058436290066
1999 56.49408906291817
2000 57.06256432552049
2001 57.78351443663623
2002 58.67199830473724
2003 59.72002203782776
2004 60.9315913324664
2005 60.720538435825524
2006 56.81765944321992
2007 50.84069744632041
2008 45.83440232318383
2009 42.99318223106146
2010 43.470249314677325
2011 45.46718125106047
2012 47.58849108404197
2013 49.82627095743333
2014 52.1983881531258
2015 54.711531441591966
2016 57.37724147047957
2017 60.20358179750639
2018 63.19274840541789
2019 64.20199970537331
2020 65.0976727438976
2021 65.88198047120466
2022 66.62228638121563
2023 67.30615556310472