데이터 표
| 1957 | 8,324만 | 1973 | 6.65억 | 2011 | 42.8억 |
| 1958 | 8,669만 | 1974 | 14.3억 | 2012 | 41.4억 |
| 1959 | 1억 | 1975 | 15.9억 | 2013 | 77.8억 |
| 1960 | 1.19억 | 1976 | 17.6억 | 2014 | 69.2억 |
| 1961 | 1.25억 | 1977 | 20.1억 | 2015 | 96억 |
| 1962 | 1.35억 | 1978 | 19.9억 | 2016 | 59.7억 |
| 1963 | 1.63억 | 1979 | 23.7억 | 2017 | 74.2억 |
| 1964 | 1.85억 | 1980 | 29.8억 | 2018 | 63.3억 |
| 1965 | 2.26억 | 1981 | 40.9억 | 2019 | 76.6억 |
| 1966 | 2.35억 | 2004 | 6.14억 | 2020 | 56.8억 |
| 1967 | 2.35억 | 2005 | 11.2억 | 2021 | 47.7억 |
| 1968 | 2.91억 | 2006 | 12.4억 | 2022 | 47.2억 |
| 1969 | 3.76억 | 2007 | 19.9억 | 2023 | 57.3억 |
| 1970 | 4.01억 | 2008 | 31.2억 | 2024 | 63.4억 |
| 1971 | 4.26억 | 2009 | 32.4억 | 2025 | 64.5억 |
| 1972 | 4.66억 | 2010 | 37.5억 | | |
데이터 표
| 1957 | 6.5% | 1973 | 12.3% | 2011 | 2.3% |
| 1958 | 6.1% | 1974 | 12.5% | 2012 | 1.9% |
| 1959 | 6.7% | 1975 | 11.7% | 2013 | 3.3% |
| 1960 | 7.1% | 1976 | 11.2% | 2014 | 3% |
| 1961 | 6.9% | 1977 | 9.8% | 2015 | 5.4% |
| 1962 | 6.9% | 1978 | 8.1% | 2016 | 3.6% |
| 1963 | 8.3% | 1979 | 6.1% | 2017 | 3.9% |
| 1964 | 8% | 1980 | 5.5% | 2018 | 2.8% |
| 1965 | 8.9% | 1981 | 10.8% | 2019 | 3.2% |
| 1966 | 8.5% | 2004 | 1.7% | 2020 | 3.1% |
| 1967 | 8.4% | 2005 | 2.2% | 2021 | 2.3% |
| 1968 | 9.2% | 2006 | 1.9% | 2022 | 1.6% |
| 1969 | 11.4% | 2007 | 2.2% | 2023 | 2.3% |
| 1970 | 11.2% | 2008 | 2.4% | 2024 | 2.3% |
| 1971 | 10.5% | 2009 | 2.9% | 2025 | 2.4% |
| 1972 | 10.6% | 2010 | 2.7% | | |