Annual % of total population
1960 40.7424807784393
1961 40.701395679616
1962 40.7451585742352
1963 40.8281770585436
1964 41.2655120687304
1965 41.9475718225791
1966 42.5361499946383
1967 43.0984955450606
1968 43.6025726962239
1969 43.9976781400019
1970 43.7826946177394
1971 43.0201409635857
1972 42.2088260298323
1973 41.3268076260801
1974 40.3519289913186
1975 39.2738346216913
1976 38.1673842210953
1977 37.1134020618557
1978 36.0944216016229
1979 35.1501737387495
1980 34.2405165704775
1981 33.2908192665555
1982 32.3667609477162
1983 31.5114359099804
1984 30.726039029092
1985 30.1700282868036
1986 29.8594531111163
1987 29.6414280719475
1988 29.5450282892063
1989 29.5943302087671
1990 29.7364514906518
1991 29.6044567369645
1992 29.2171236796115
1993 28.9335976364617
1994 28.7415016698473
1995 28.5980584227609
1996 28.5172927591048
1997 28.4312142380735
1998 28.2595215785703
1999 28.0062583817613
2000 27.7962827260009
2001 27.5838089614905
2002 27.2459356175918
2003 26.8615232886538
2004 26.4437997998505
2005 25.9443588876786
2006 25.4593889647755
2007 25.0190512768928
2008 24.6207252765732
2009 24.2554726824277
2010 23.7785168329541
2011 23.2154181415674
2012 22.6526678376714
2013 22.1233488140841
2014 21.656618405128
2015 21.1573206731117
2016 20.63501703206
2017 20.1911785686849
2018 19.7734255201882
2019 19.3868633740969
2020 19.082383665717
2021 18.8211693905245
2022 18.5472947751245
2023 18.1859636471611