Annual % of total population
1960 51.5537586005822
1961 51.5145153087323
1962 51.4465080925267
1963 51.3807633656419
1964 51.3298688163069
1965 51.2906760010633
1966 51.2538900793957
1967 51.2164041590472
1968 51.1815687145653
1969 51.1538833193005
1970 51.1472883943593
1971 51.1509391815644
1972 51.15886802319
1973 51.1880800861089
1974 51.2219184424693
1975 51.2560767793468
1976 51.291971500176
1977 51.3207395765883
1978 51.3433837573863
1979 51.3542338914039
1980 51.3533149351816
1981 51.3386849674001
1982 51.3162514755235
1983 51.3021988457271
1984 51.2888792568256
1985 51.270992843082
1986 51.2569792887799
1987 51.2447411571296
1988 51.2298277890706
1989 51.2036036187853
1990 51.1613537746735
1991 51.1466077090758
1992 51.1529381091341
1993 51.1471181082337
1994 51.1456134544359
1995 51.1516351185521
1996 51.1605386996405
1997 51.1631582229881
1998 51.1607193980041
1999 51.1457957340303
2000 51.1332892141376
2001 51.1330278778745
2002 51.1151683231453
2003 51.0857105753057
2004 51.0571318755029
2005 51.0259159567257
2006 50.9923598764416
2007 50.9328281028239
2008 50.8496668363382
2009 50.7925561177621
2010 50.7529560808112
2011 50.7093430373119
2012 50.6607019889846
2013 50.6078915558604
2014 50.5638822485821
2015 50.5238276244631
2016 50.4668515011171
2017 50.4246075369332
2018 50.4146253291763
2019 50.4032259945324
2020 50.385507488297
2021 50.364889179035
2022 50.3409541269625
2023 50.3143178400824