데이터 표
| 1960 | 5.27억 | 1982 | 29.8억 | 2004 | 55.1억 |
| 1961 | 5.65억 | 1983 | 26.3억 | 2005 | 55.2억 |
| 1962 | 6.36억 | 1984 | 26.7억 | 2006 | 55.8억 |
| 1963 | 6.98억 | 1985 | 28억 | 2007 | 63.9억 |
| 1964 | 7.59억 | 1986 | 35.8억 | 2008 | 60.2억 |
| 1965 | 8.45억 | 1987 | 44.7억 | 2009 | 50.6억 |
| 1966 | 9.07억 | 1988 | 49.2억 | 2010 | 58.9억 |
| 1967 | 9.22억 | 1989 | 50.3억 | 2011 | 63.2억 |
| 1968 | 9.41억 | 1990 | 61.7억 | 2012 | 62.4억 |
| 1969 | 10.2억 | 1991 | 62.2억 | 2013 | 65.3억 |
| 1970 | 11.2억 | 1992 | 64.2억 | 2014 | 65.6억 |
| 1971 | 12.4억 | 1993 | 50.1억 | 2015 | 53.9억 |
| 1972 | 14.6억 | 1994 | 51.5억 | 2016 | 54.3억 |
| 1973 | 17억 | 1995 | 57.3억 | 2017 | 55.4억 |
| 1974 | 18.6억 | 1996 | 62억 | 2018 | 57.3억 |
| 1975 | 22.3억 | 1997 | 52억 | 2019 | 58.4억 |
| 1976 | 23.5억 | 1998 | 51.3억 | 2020 | 62.7억 |
| 1977 | 25.6억 | 1999 | 51.5억 | 2021 | 75.8억 |
| 1978 | 28.7억 | 2000 | 47.9억 | 2022 | 77.2억 |
| 1979 | 33.7억 | 2001 | 41.3억 | 2023 | 87.9억 |
| 1980 | 37.9억 | 2002 | 43.5억 | 2024 | 120억 |
| 1981 | 34.9억 | 2003 | 53.1억 | 2025 | 165억 |
데이터 표
| 1960 | 3.8% | 1982 | 2.9% | 2004 | 1.4% |
| 1961 | 3.7% | 1983 | 2.7% | 2005 | 1.4% |
| 1962 | 3.9% | 1984 | 2.7% | 2006 | 1.3% |
| 1963 | 4% | 1985 | 2.7% | 2007 | 1.3% |
| 1964 | 3.9% | 1986 | 2.6% | 2008 | 1.2% |
| 1965 | 3.9% | 1987 | 2.7% | 2009 | 1.2% |
| 1966 | 3.9% | 1988 | 2.6% | 2010 | 1.2% |
| 1967 | 3.6% | 1989 | 2.5% | 2011 | 1.1% |
| 1968 | 3.5% | 1990 | 2.6% | 2012 | 1.1% |
| 1969 | 3.5% | 1991 | 2.5% | 2013 | 1.1% |
| 1970 | 3.4% | 1992 | 2.4% | 2014 | 1.1% |
| 1971 | 3.4% | 1993 | 2.4% | 2015 | 1.1% |
| 1972 | 3.4% | 1994 | 2.3% | 2016 | 1.1% |
| 1973 | 3.3% | 1995 | 2.1% | 2017 | 1% |
| 1974 | 3.2% | 1996 | 2.1% | 2018 | 1% |
| 1975 | 3.1% | 1997 | 1.9% | 2019 | 1.1% |
| 1976 | 3% | 1998 | 1.9% | 2020 | 1.2% |
| 1977 | 3.1% | 1999 | 1.9% | 2021 | 1.2% |
| 1978 | 3.1% | 2000 | 1.8% | 2022 | 1.3% |
| 1979 | 3.1% | 2001 | 1.7% | 2023 | 1.5% |
| 1980 | 2.9% | 2002 | 1.6% | 2024 | 2% |
| 1981 | 2.9% | 2003 | 1.6% | 2025 | 2.5% |