데이터 표
| 1952 | 3.57억 | 1977 | 61.6억 | 2002 | 393억 |
| 1953 | 3.96억 | 1978 | 86.6억 | 2003 | 425억 |
| 1954 | 4.75억 | 1979 | 91.7억 | 2004 | 453억 |
| 1955 | 4.89억 | 1980 | 97.1억 | 2005 | 443억 |
| 1956 | 4.57억 | 1981 | 109억 | 2006 | 416억 |
| 1957 | 4.51억 | 1982 | 102억 | 2007 | 405억 |
| 1958 | 4.59억 | 1983 | 114억 | 2008 | 464억 |
| 1959 | 4.63억 | 1984 | 122억 | 2009 | 515억 |
| 1960 | 4.81억 | 1985 | 131억 | 2010 | 547억 |
| 1961 | 4.92억 | 1986 | 195억 | 2011 | 608억 |
| 1962 | 5.38억 | 1987 | 236억 | 2012 | 600억 |
| 1963 | 6.3억 | 1988 | 282억 | 2013 | 490억 |
| 1964 | 7.18억 | 1989 | 280억 | 2014 | 469억 |
| 1965 | 8.21억 | 1990 | 288억 | 2015 | 421억 |
| 1966 | 9.32억 | 1991 | 328억 | 2016 | 465억 |
| 1967 | 10.4억 | 1992 | 360억 | 2017 | 450억 |
| 1968 | 11.7억 | 1993 | 414억 | 2018 | 485억 |
| 1969 | 13.4억 | 1994 | 453억 | 2019 | 508억 |
| 1970 | 15.8억 | 1995 | 500억 | 2020 | 514억 |
| 1971 | 19억 | 1996 | 440억 | 2021 | 536억 |
| 1972 | 25.7억 | 1997 | 406억 | 2022 | 431억 |
| 1973 | 33.7억 | 1998 | 378억 | 2023 | 481억 |
| 1974 | 39.6억 | 1999 | 431억 | 2024 | 542억 |
| 1975 | 45.3억 | 2000 | 455억 | 2025 | 622억 |
| 1976 | 50.1억 | 2001 | 408억 | | |
데이터 표
| 1952 | 2.1% | 1977 | 0.9% | 2002 | 0.9% |
| 1953 | 2% | 1978 | 0.9% | 2003 | 0.9% |
| 1954 | 2.2% | 1979 | 0.9% | 2004 | 0.9% |
| 1955 | 2.1% | 1980 | 0.9% | 2005 | 0.9% |
| 1956 | 1.7% | 1981 | 0.9% | 2006 | 0.9% |
| 1957 | 1.5% | 1982 | 0.9% | 2007 | 0.9% |
| 1958 | 1.4% | 1983 | 1% | 2008 | 0.9% |
| 1959 | 1.3% | 1984 | 1% | 2009 | 1% |
| 1960 | 1.1% | 1985 | 1% | 2010 | 0.9% |
| 1961 | 0.9% | 1986 | 1% | 2011 | 1% |
| 1962 | 0.9% | 1987 | 1% | 2012 | 0.9% |
| 1963 | 0.9% | 1988 | 0.9% | 2013 | 0.9% |
| 1964 | 0.9% | 1989 | 0.9% | 2014 | 0.9% |
| 1965 | 0.9% | 1990 | 0.9% | 2015 | 0.9% |
| 1966 | 0.9% | 1991 | 0.9% | 2016 | 0.9% |
| 1967 | 0.8% | 1992 | 0.9% | 2017 | 0.9% |
| 1968 | 0.8% | 1993 | 1% | 2018 | 0.9% |
| 1969 | 0.8% | 1994 | 0.9% | 2019 | 1% |
| 1970 | 0.8% | 1995 | 0.9% | 2020 | 1% |
| 1971 | 0.8% | 1996 | 0.9% | 2021 | 1% |
| 1972 | 0.8% | 1997 | 0.9% | 2022 | 1% |
| 1973 | 0.8% | 1998 | 0.9% | 2023 | 1.1% |
| 1974 | 0.9% | 1999 | 0.9% | 2024 | 1.3% |
| 1975 | 0.9% | 2000 | 0.9% | 2025 | 1.4% |
| 1976 | 0.9% | 2001 | 0.9% | | |