데이터 표
| 1953 | 3.44억 | 1980 | 22.6억 | 2004 | 97.8억 |
| 1957 | 6.05억 | 1981 | 25.2억 | 2005 | 136억 |
| 1958 | 4.11억 | 1982 | 30.3억 | 2006 | 164억 |
| 1959 | 3.83억 | 1983 | 20.8억 | 2007 | 205억 |
| 1960 | 3.83억 | 1984 | 20.1억 | 2008 | 245억 |
| 1961 | 3.42억 | 1985 | 26.9억 | 2009 | 256억 |
| 1962 | 3.87억 | 1986 | 27.6억 | 2010 | 340억 |
| 1963 | 4.42억 | 1987 | 43.2억 | 2011 | 369억 |
| 1964 | 3.54억 | 1988 | 58.7억 | 2012 | 340억 |
| 1965 | 6.33억 | 1989 | 87.6억 | 2013 | 329억 |
| 1966 | 7.18억 | 1990 | 92.4억 | 2014 | 327억 |
| 1967 | 7.46억 | 1991 | 66.9억 | 2015 | 246억 |
| 1968 | 7.55억 | 1992 | 49.9억 | 2016 | 242억 |
| 1969 | 8.17억 | 1993 | 71억 | 2017 | 293억 |
| 1970 | 10.3억 | 1994 | 106억 | 2018 | 282억 |
| 1971 | 10.8억 | 1995 | 143억 | 2019 | 259억 |
| 1972 | 12억 | 1996 | 141억 | 2020 | 196억 |
| 1973 | 15.1억 | 1997 | 139억 | 2021 | 192억 |
| 1974 | 17.9억 | 1998 | 144억 | 2022 | 205억 |
| 1975 | 21.4억 | 1999 | 98.7억 | 2023 | 218억 |
| 1976 | 25.8억 | 2000 | 113억 | 2024 | 210억 |
| 1977 | 25억 | 2001 | 109억 | 2025 | 239억 |
| 1978 | 26.9억 | 2002 | 96.6억 | | |
| 1979 | 28.3억 | 2003 | 83.9억 | | |
데이터 표
| 1953 | 3.6% | 1980 | 1.1% | 2004 | 1.5% |
| 1957 | 4.4% | 1981 | 1.1% | 2005 | 1.5% |
| 1958 | 4.1% | 1982 | 1.3% | 2006 | 1.5% |
| 1959 | 3% | 1983 | 1.3% | 2007 | 1.5% |
| 1960 | 2.7% | 1984 | 1.2% | 2008 | 1.4% |
| 1961 | 2.4% | 1985 | 1.4% | 2009 | 1.5% |
| 1962 | 2.4% | 1986 | 1.2% | 2010 | 1.5% |
| 1963 | 2.3% | 1987 | 1.7% | 2011 | 1.4% |
| 1964 | 2% | 1988 | 2.1% | 2012 | 1.4% |
| 1965 | 3.4% | 1989 | 2.7% | 2013 | 1.3% |
| 1966 | 3% | 1990 | 2.4% | 2014 | 1.3% |
| 1967 | 2.9% | 1991 | 2% | 2015 | 1.4% |
| 1968 | 2.6% | 1992 | 1.5% | 2016 | 1.3% |
| 1969 | 2.6% | 1993 | 1.9% | 2017 | 1.4% |
| 1970 | 2.9% | 1994 | 2% | 2018 | 1.5% |
| 1971 | 2.6% | 1995 | 1.9% | 2019 | 1.4% |
| 1972 | 2.4% | 1996 | 1.7% | 2020 | 1.3% |
| 1973 | 2.2% | 1997 | 1.6% | 2021 | 1.1% |
| 1974 | 1.9% | 1998 | 1.7% | 2022 | 1.1% |
| 1975 | 2% | 1999 | 1.6% | 2023 | 1% |
| 1976 | 2% | 2000 | 1.7% | 2024 | 1% |
| 1977 | 1.7% | 2001 | 2% | 2025 | 1.1% |
| 1978 | 1.6% | 2002 | 1.9% | | |
| 1979 | 1.5% | 2003 | 1.5% | | |