Annual % of total population
1960 44.2963284031762
1961 44.3581157509253
1962 44.3837243088183
1963 44.3429847694654
1964 44.2023573679024
1965 44.0142349504171
1966 43.8403900159226
1967 43.6704240314494
1968 43.4885148798445
1969 43.2825057622279
1970 43.606113117265
1971 44.1671281138726
1972 44.3037354520524
1973 44.2735901008127
1974 44.0803620963523
1975 43.9897680153123
1976 43.8861055712975
1977 43.219040969942
1978 42.4933350164418
1979 41.7255058323066
1980 41.5288485107864
1981 41.7101888648274
1982 41.6231884846132
1983 41.7109872365622
1984 42.0125446127006
1985 42.4073013213845
1986 42.6128431965418
1987 42.7316950234763
1988 43.0662570870239
1989 43.5875205111979
1990 44.1553167793538
1991 44.8288361999907
1992 45.2034349929488
1993 45.2953250926034
1994 45.4809228313502
1995 45.4559162264156
1996 45.0603604479723
1997 44.4767161883028
1998 42.8561659161217
1999 41.1263957205167
2000 40.1834218305199
2001 39.2231860227171
2002 38.2687252445981
2003 37.3258410878163
2004 36.4286265514646
2005 35.5783525457093
2006 34.7485961893276
2007 33.9683302501657
2008 33.2416240993321
2009 32.6023530877809
2010 32.0939097709394
2011 31.7265688499178
2012 31.5377823651018
2013 31.3601094103122
2014 31.1121990065425
2015 30.8929391576066
2016 30.6756496901181
2017 30.4374790774261
2018 30.1869204629934
2019 29.9231429219091
2020 29.6255402063096
2021 29.299331573073
2022 28.948652756012
2023 28.5577349687745