데이터 표
| 1956 | 5.18억 | 1980 | 54.2억 | 2004 | 202억 |
| 1957 | 6.55억 | 1981 | 58.8억 | 2005 | 231억 |
| 1958 | 6.88억 | 1982 | 63억 | 2006 | 240억 |
| 1959 | 6.63억 | 1983 | 68.3억 | 2007 | 283억 |
| 1960 | 6.82억 | 1984 | 69.6억 | 2008 | 330억 |
| 1961 | 7.48억 | 1985 | 75.7억 | 2009 | 387억 |
| 1962 | 10.7억 | 1986 | 95.4억 | 2010 | 461억 |
| 1963 | 18억 | 1987 | 109억 | 2011 | 496억 |
| 1964 | 19.9억 | 1988 | 113억 | 2012 | 472억 |
| 1965 | 21.3억 | 1989 | 106억 | 2013 | 474억 |
| 1966 | 16.6억 | 1990 | 105억 | 2014 | 509억 |
| 1967 | 14.9억 | 1991 | 86.2억 | 2015 | 513억 |
| 1968 | 15.9억 | 1992 | 80.8억 | 2016 | 566억 |
| 1969 | 16.9억 | 1993 | 82.5억 | 2017 | 646억 |
| 1970 | 18.3억 | 1994 | 88.8억 | 2018 | 662억 |
| 1971 | 22.6억 | 1995 | 97.5억 | 2019 | 714억 |
| 1972 | 25억 | 1996 | 99억 | 2020 | 728억 |
| 1973 | 25.3억 | 1997 | 115억 | 2021 | 763억 |
| 1974 | 29억 | 1998 | 119억 | 2022 | 799억 |
| 1975 | 33.2억 | 1999 | 139억 | 2023 | 823억 |
| 1976 | 32.9억 | 2000 | 143억 | 2024 | 856억 |
| 1977 | 34.8억 | 2001 | 146억 | 2025 | 921억 |
| 1978 | 39.8억 | 2002 | 147억 | | |
| 1979 | 45.9억 | 2003 | 163억 | | |
데이터 표
| 1956 | 2% | 1980 | 3.1% | 2004 | 2.8% |
| 1957 | 2.5% | 1981 | 3.2% | 2005 | 2.9% |
| 1958 | 1.9% | 1982 | 3.3% | 2006 | 2.7% |
| 1959 | 2.1% | 1983 | 3.3% | 2007 | 2.5% |
| 1960 | 2% | 1984 | 3.4% | 2008 | 2.6% |
| 1961 | 2.1% | 1985 | 3.6% | 2009 | 3.1% |
| 1962 | 2.7% | 1986 | 4.1% | 2010 | 2.9% |
| 1963 | 4% | 1987 | 4.2% | 2011 | 2.7% |
| 1964 | 3.8% | 1988 | 3.7% | 2012 | 2.6% |
| 1965 | 3.9% | 1989 | 3.5% | 2013 | 2.5% |
| 1966 | 3.6% | 1990 | 3.1% | 2014 | 2.5% |
| 1967 | 3.2% | 1991 | 2.9% | 2015 | 2.5% |
| 1968 | 3.2% | 1992 | 2.7% | 2016 | 2.5% |
| 1969 | 3.1% | 1993 | 2.8% | 2017 | 2.5% |
| 1970 | 3.2% | 1994 | 2.7% | 2018 | 2.4% |
| 1971 | 3.7% | 1995 | 2.6% | 2019 | 2.5% |
| 1972 | 3.7% | 1996 | 2.5% | 2020 | 2.8% |
| 1973 | 3.2% | 1997 | 2.6% | 2021 | 2.5% |
| 1974 | 3.2% | 1998 | 2.7% | 2022 | 2.4% |
| 1975 | 3.5% | 1999 | 3% | 2023 | 2.4% |
| 1976 | 3.5% | 2000 | 2.9% | 2024 | 2.2% |
| 1977 | 3.2% | 2001 | 2.9% | 2025 | 2.3% |
| 1978 | 3.1% | 2002 | 2.8% | | |
| 1979 | 3.3% | 2003 | 2.7% | | |