데이터 표
| 1956 | 5,559만 | 1976 | 9.45억 | 1995 | 9.58억 |
| 1957 | 4,832만 | 1977 | 9.98억 | 1996 | 9.95억 |
| 1958 | 8,101만 | 1978 | 12.1억 | 1997 | 10.5억 |
| 1959 | 8,296만 | 1979 | 15.8억 | 1998 | 11억 |
| 1960 | 9,022만 | 1980 | 22.5억 | 1999 | 11.3억 |
| 1961 | 9,022만 | 1981 | 24.4억 | 2000 | 8.97억 |
| 1962 | 1.5억 | 1982 | 27.3억 | 2001 | 10.2억 |
| 1964 | 1.12억 | 1983 | 27.3억 | 2002 | 11억 |
| 1965 | 1.18억 | 1984 | 33.9억 | 2003 | 14.4억 |
| 1966 | 1.02억 | 1985 | 35.1억 | 2004 | 13.9억 |
| 1967 | 1.19억 | 1986 | 36.8억 | 2005 | 14.5억 |
| 1968 | 1.9억 | 1987 | 36.5억 | 2006 | 14.4억 |
| 1969 | 1.95억 | 1988 | 37.2억 | 2007 | 16억 |
| 1970 | 2억 | 1989 | 14.8억 | 2008 | 17.3억 |
| 1971 | 1.77억 | 1990 | 16.4억 | 2009 | 21.8억 |
| 1972 | 2.6억 | 1991 | 28.9억 | 2010 | 23.5억 |
| 1973 | 3.89억 | 1992 | 29.8억 | 2011 | 24.9억 |
| 1974 | 5.37억 | 1993 | 14.3억 | | |
| 1975 | 8.88억 | 1994 | 16.4억 | | |
데이터 표
| 1960 | 10.5% | 1978 | 14.7% | 1995 | 6.9% |
| 1961 | 9.5% | 1979 | 15.9% | 1996 | 6% |
| 1962 | 13.5% | 1980 | 17.2% | 1997 | 5.9% |
| 1964 | 8.6% | 1981 | 14.5% | 1998 | 5.8% |
| 1965 | 8.9% | 1982 | 15.6% | 1999 | 5.8% |
| 1966 | 7.7% | 1983 | 14.6% | 2000 | 5.5% |
| 1967 | 8.2% | 1984 | 17.7% | 2001 | 5.5% |
| 1968 | 12.2% | 1985 | 16.6% | 2002 | 5.4% |
| 1969 | 10.8% | 1986 | 14.4% | 2003 | 6.2% |
| 1970 | 11.2% | 1987 | 11.2% | 2004 | 5.5% |
| 1971 | 8.4% | 1988 | 7.9% | 2005 | 5% |
| 1972 | 10.8% | 1989 | 8% | 2006 | 4.4% |
| 1973 | 15.1% | 1990 | 6.9% | 2007 | 4.1% |
| 1974 | 12.7% | 1991 | 10.4% | 2008 | 3.6% |
| 1975 | 15.9% | 1992 | 9% | 2009 | 4% |
| 1976 | 14.7% | 1993 | 7.2% | 2010 | 4.1% |
| 1977 | 14.5% | 1994 | 7.4% | | |