| 年度 | 数值 | 单位 | 发布日期 |
| 1996 | 1471 | 千吨 | 2026-9 |
| 1995 | 1501 | 千吨 | 2026-9 |
| 1994 | 1634 | 千吨 | 2026-9 |
| 1993 | 1633 | 千吨 | 2026-9 |
| 1992 | 1614 | 千吨 | 2026-9 |
| 1991 | 1604 | 千吨 | 2026-9 |
| 1990 | 1652 | 千吨 | 2026-9 |
| 1989 | 1647 | 千吨 | 2026-9 |
| 1988 | 1650 | 千吨 | 2026-9 |
| 1987 | 1740 | 千吨 | 2026-9 |
| 1986 | 1855 | 千吨 | 2026-9 |
| 1985 | 1873 | 千吨 | 2026-9 |
| 1984 | 1925 | 千吨 | 2026-9 |
| 1983 | 1843 | 千吨 | 2026-9 |
| 1982 | 1864 | 千吨 | 2026-9 |
| 1981 | 1826 | 千吨 | 2026-9 |
| 1980 | 1687 | 千吨 | 2026-9 |
| 1979 | 1651 | 千吨 | 2026-9 |
| 1978 | 1716 | 千吨 | 2026-9 |
| 1977 | 1766 | 千吨 | 2026-9 |
| 1976 | 1662 | 千吨 | 2026-9 |
| 1975 | 1605 | 千吨 | 2026-9 |
| 1974 | 1616 | 千吨 | 2026-9 |
| 1973 | 1592 | 千吨 | 2026-9 |
| 1972 | 1620 | 千吨 | 2026-9 |
| 1971 | 1542 | 千吨 | 2026-9 |
| 1970 | 1603 | 千吨 | 2026-9 |
| 1969 | 1571 | 千吨 | 2026-9 |
| 1968 | 1609 | 千吨 | 2026-9 |
| 1967 | 1636 | 千吨 | 2026-9 |
| 1966 | 1429 | 千吨 | 2026-9 |
| 1965 | 1419 | 千吨 | 2026-9 |
| 1964 | 1330 | 千吨 | 2026-9 |