| year | population |
|---|---|
| 1960 | 1206362.0 |
| 1961 | 1216712.0 |
| 1962 | 1233441.0 |
| 1963 | 1249804.0 |
| 1964 | 1267910.0 |
| 1965 | 1286262.0 |
| 1966 | 1302870.0 |
| 1967 | 1314323.0 |
| 1968 | 1323569.0 |
| 1969 | 1338858.0 |
| 1970 | 1351640.0 |
| 1971 | 1368511.0 |
| 1972 | 1385399.0 |
| 1973 | 1399637.0 |
| 1974 | 1412265.0 |
| 1975 | 1424073.0 |
| 1976 | 1434630.0 |
| 1977 | 1444522.0 |
| 1978 | 1455900.0 |
| 1979 | 1464476.0 |
| 1980 | 1472190.0 |
| 1981 | 1482247.0 |
| 1982 | 1493085.0 |
| 1983 | 1503743.0 |
| 1984 | 1513747.0 |
| 1985 | 1523486.0 |
| 1986 | 1534076.0 |
| 1987 | 1546304.0 |
| 1988 | 1558137.0 |
| 1989 | 1565662.0 |
| 1990 | 1570599.0 |
| 1991 | 1567749.0 |
| 1992 | 1554878.0 |
| 1993 | 1511303.0 |
| 1994 | 1476952.0 |
| 1995 | 1448075.0 |
| 1996 | 1425192.0 |
| 1997 | 1405996.0 |
| 1998 | 1393074.0 |
| 1999 | 1379237.0 |
| 2000 | 1382002.0 |
| 2001 | 1376683.0 |
| 2002 | 1370337.0 |
| 2003 | 1364678.0 |
| 2004 | 1358451.0 |
| 2005 | 1353854.0 |
| 2006 | 1348608.0 |
| 2007 | 1343461.0 |
| 2008 | 1341199.0 |
| 2009 | 1339329.0 |
| 2010 | 1337666.0 |
| 2011 | 1336107.0 |
| 2012 | 1333788.0 |
| 2013 | 1324814.0 |