데이터 표
| 1955 | 1,252만 | 1979 | 3.46억 | 2004 | 9.55억 |
| 1956 | 1,806만 | 1980 | 5.03억 | 2005 | 9.63억 |
| 1957 | 1,865만 | 1981 | 3.73억 | 2006 | 10.1억 |
| 1958 | 2,177만 | 1982 | 2.47억 | 2007 | 11.5억 |
| 1959 | 2,073만 | 1983 | 4.92억 | 2008 | 11.7억 |
| 1960 | 2,291만 | 1984 | 4.75억 | 2009 | 14.3억 |
| 1961 | 2,784만 | 1985 | 2.27억 | 2010 | 15.9억 |
| 1962 | 4,088만 | 1986 | 1.48억 | 2011 | 16.3억 |
| 1963 | 3,390만 | 1987 | 3,700만 | 2012 | 17.6억 |
| 1964 | 3,807만 | 1988 | 3,932만 | 2013 | 19.4억 |
| 1965 | 4,460만 | 1990 | 2.14억 | 2014 | 22.7억 |
| 1966 | 5,143만 | 1991 | 2.29억 | 2015 | 22.4억 |
| 1967 | 5,773만 | 1992 | 4.43억 | 2016 | 26.1억 |
| 1968 | 6,557만 | 1993 | 4.53억 | 2017 | 24.4억 |
| 1969 | 6,514만 | 1994 | 6.37억 | 2018 | 27.8억 |
| 1970 | 6,455만 | 1995 | 7.46억 | 2019 | 23.3억 |
| 1971 | 6,692만 | 1996 | 7.36억 | 2020 | 4.32억 |
| 1972 | 1.06억 | 1997 | 6.78억 | 2021 | 1.72억 |
| 1973 | 1.04억 | 1998 | 6.94억 | 2022 | 2.19억 |
| 1974 | 1.79억 | 1999 | 8.3억 | 2023 | 2.86억 |
| 1975 | 1.66억 | 2000 | 9.3억 | 2024 | 6.35억 |
| 1976 | 1.73억 | 2001 | 9.59억 | 2025 | 8.28억 |
| 1977 | 1.26억 | 2002 | 9.07억 | | |
| 1978 | 2.53억 | 2003 | 9.23억 | | |
데이터 표
| 1964 | 3.7% | 1986 | 5.3% | 2007 | 4.6% |
| 1965 | 3.9% | 1987 | 1.1% | 2008 | 4% |
| 1966 | 4.2% | 1988 | 1.2% | 2009 | 4% |
| 1967 | 4.8% | 1990 | 7.6% | 2010 | 4.1% |
| 1968 | 4.8% | 1991 | 5.2% | 2011 | 4.1% |
| 1969 | 4.6% | 1992 | 8% | 2012 | 4% |
| 1970 | 4.3% | 1993 | 6% | 2013 | 4.1% |
| 1971 | 4% | 1994 | 7% | 2014 | 4.7% |
| 1972 | 5.1% | 1995 | 6.7% | 2015 | 4.5% |
| 1973 | 3.8% | 1996 | 5.7% | 2016 | 5.1% |
| 1976 | 12.1% | 1997 | 4.3% | 2017 | 4.6% |
| 1977 | 4.7% | 1998 | 4% | 2018 | 5.1% |
| 1978 | 8.5% | 1999 | 4.8% | 2019 | 4.7% |
| 1979 | 10.1% | 2000 | 5.4% | 2020 | 3% |
| 1980 | 12.4% | 2001 | 5.4% | 2021 | 1.2% |
| 1981 | 9.6% | 2002 | 4.8% | 2022 | 1% |
| 1982 | 9.3% | 2003 | 4.7% | 2023 | 1.2% |
| 1983 | 13.5% | 2004 | 4.5% | 2024 | 2.3% |
| 1984 | 11% | 2005 | 4.5% | 2025 | 2.5% |
| 1985 | 6.3% | 2006 | 4.6% | | |