Annual % of total population
1960 26.2392280261041
1961 26.2584522516185
1962 26.0358245787317
1963 25.8017368025271
1964 25.5786142597454
1965 25.3576975396534
1966 25.1644582970309
1967 24.9841411116096
1968 24.8193392916794
1969 24.6807493090679
1970 24.5493795259369
1971 24.4435555459378
1972 24.3560994147824
1973 24.2465285735584
1974 24.0783842710711
1975 23.8386527138307
1976 23.5436898386704
1977 23.2438786245753
1978 22.9420622642738
1979 22.6298928415577
1980 22.3715577533756
1981 22.1641726346767
1982 21.9763425925125
1983 21.7728375603489
1984 21.5389261121683
1985 21.29332116767
1986 21.0200308592999
1987 20.7144171230411
1988 20.4267000379895
1989 20.2024076984867
1990 20.0577502694109
1991 19.9745554856261
1992 19.8794482587662
1993 19.7406807651135
1994 19.5728147397073
1995 19.3770348402937
1996 19.1709896666928
1997 18.9774572813202
1998 18.8478591066208
1999 18.7750547502847
2000 18.7152735358576
2001 18.6538658604504
2002 18.5802717763657
2003 18.5040970931324
2004 18.4243391917787
2005 18.3477861733763
2006 18.2884889234338
2007 18.2462921051593
2008 18.2416249870445
2009 18.2746105151191
2010 18.3030070494363
2011 18.3117703431249
2012 18.3159073066943
2013 18.3056628243576
2014 18.2645944531063
2015 18.1869331011056
2016 18.0745056692548
2017 17.956176677331
2018 17.8354138790437
2019 17.701688275741
2020 17.5521513606696
2021 17.3733753734071
2022 17.1990019346205
2023 17.0411946065592