데이터 표
| 1951 | 9.5억 | 1976 | 156억 | 2001 | 36.3억 |
| 1952 | 15.3억 | 1977 | 174억 | 2002 | 37.8억 |
| 1953 | 22.8억 | 1978 | 103억 | 2003 | 41.5억 |
| 1954 | 24.8억 | 1979 | 19.4억 | 2004 | 47.8억 |
| 1955 | 29.3억 | 1980 | 15.1억 | 2005 | 59억 |
| 1956 | 29억 | 1981 | 15.7억 | 2006 | 66.2억 |
| 1957 | 24.3억 | 1982 | 21.2억 | 2007 | 85.9억 |
| 1958 | 27억 | 1983 | 22억 | 2008 | 93.5억 |
| 1959 | 33.8억 | 1984 | 23.1억 | 2009 | 79억 |
| 1960 | 35.5억 | 1985 | 21.4억 | 2010 | 87.9억 |
| 1961 | 40.3억 | 1986 | 21.7억 | 2011 | 94.6억 |
| 1962 | 43.8억 | 1987 | 17.7억 | 2012 | 89.9억 |
| 1963 | 49.5억 | 1988 | 17.8억 | 2013 | 92.8억 |
| 1964 | 52억 | 1989 | 14.9억 | 2014 | 103억 |
| 1965 | 55.3억 | 1990 | 15.4억 | 2015 | 102억 |
| 1966 | 59.8억 | 1991 | 17.2억 | 2016 | 91.6억 |
| 1967 | 62.8억 | 1992 | 18.8억 | 2017 | 99.8억 |
| 1968 | 72.3억 | 1993 | 21.2억 | 2018 | 120억 |
| 1969 | 79.8억 | 1994 | 22.5억 | 2019 | 118억 |
| 1970 | 85.3억 | 1995 | 27.2억 | 2020 | 137억 |
| 1971 | 94.5억 | 1996 | 30.8억 | 2021 | 153억 |
| 1972 | 101억 | 1997 | 31.9억 | 2022 | 153억 |
| 1973 | 121억 | 1998 | 34.9억 | 2023 | 265억 |
| 1974 | 132억 | 1999 | 32.3억 | 2024 | 345억 |
| 1975 | 143억 | 2000 | 31.5억 | 2025 | 468억 |
데이터 표
| 1980 | 2.7% | 1996 | 1.9% | 2012 | 1.8% |
| 1981 | 2.9% | 1997 | 2% | 2013 | 1.8% |
| 1982 | 3.2% | 1998 | 2% | 2014 | 1.9% |
| 1983 | 2.9% | 1999 | 1.9% | 2015 | 2.1% |
| 1984 | 3.1% | 2000 | 1.8% | 2016 | 1.9% |
| 1985 | 3% | 2001 | 1.9% | 2017 | 1.9% |
| 1986 | 2.9% | 2002 | 1.9% | 2018 | 2% |
| 1987 | 2.8% | 2003 | 1.9% | 2019 | 2% |
| 1988 | 2.6% | 2004 | 1.9% | 2020 | 2.3% |
| 1989 | 1.8% | 2005 | 1.9% | 2021 | 2.2% |
| 1990 | 2.6% | 2006 | 1.9% | 2022 | 2.2% |
| 1991 | 2.3% | 2007 | 2% | 2023 | 3.3% |
| 1992 | 2.2% | 2008 | 1.7% | 2024 | 3.8% |
| 1993 | 2.5% | 2009 | 1.8% | 2025 | 4.5% |
| 1994 | 2.3% | 2010 | 1.8% | | |
| 1995 | 1.9% | 2011 | 1.8% | | |