Annual % of total population
1960 54.28298832138915
1961 54.25141978738607
1962 54.212346559493135
1963 54.123139644559565
1964 53.99108063594412
1965 53.853849234606265
1966 53.68249919093558
1967 53.46635554884689
1968 53.25788965544108
1969 53.069435201305886
1970 52.89236373944493
1971 52.710886845478385
1972 52.52952892291629
1973 52.39937765122119
1974 52.31985404219101
1975 52.24930692430312
1976 52.167912710947085
1977 52.092659935682356
1978 52.061652673084325
1979 52.04494658662024
1980 52.006601439118434
1981 51.97140766587721
1982 51.986757554232845
1983 52.034759139912076
1984 52.070759886257754
1985 52.08391352628606
1986 52.079479399909445
1987 52.05768025785935
1988 52.01934856877837
1989 51.961649701682575
1990 51.89134368890038
1991 51.83551137843394
1992 51.78357985623483
1993 51.698283397352256
1994 51.709944019364606
1995 51.754441975726756
1996 51.67130287487645
1997 51.57874642063875
1998 51.57113330646515
1999 51.616387522436106
2000 51.67556767490395
2001 51.75703947480133
2002 51.840188177211694
2003 51.92789160402368
2004 52.036305627670934
2005 52.163025956614
2006 52.31829457566006
2007 52.45944759503117
2008 52.57583043087691
2009 52.70098480665023
2010 52.834272483867935
2011 52.98810399754598
2012 53.11294540522443
2013 53.17593972829751
2014 53.25005048351555
2015 53.366570036976654
2016 53.54276666021846
2017 53.75862953289224
2018 53.99141939988302
2019 54.24753918915833
2020 54.5103194170577
2021 54.769941865203684
2022 55.0368222386215
2023 55.31726910648939