| 年度 | 数值 | 单位 | 发布日期 |
| 1996 | 1594 | 千吨 | 2026-9 |
| 1995 | 1579 | 千吨 | 2026-9 |
| 1994 | 1541 | 千吨 | 2026-9 |
| 1993 | 1509 | 千吨 | 2026-9 |
| 1992 | 1489 | 千吨 | 2026-9 |
| 1991 | 1500 | 千吨 | 2026-9 |
| 1990 | 1471 | 千吨 | 2026-9 |
| 1989 | 1485 | 千吨 | 2026-9 |
| 1988 | 1378 | 千吨 | 2026-9 |
| 1987 | 1342 | 千吨 | 2026-9 |
| 1986 | 1320 | 千吨 | 2026-9 |
| 1985 | 1300 | 千吨 | 2026-9 |
| 1984 | 1287 | 千吨 | 2026-9 |
| 1983 | 1245 | 千吨 | 2026-9 |
| 1982 | 1200 | 千吨 | 2026-9 |
| 1981 | 1168 | 千吨 | 2026-9 |
| 1980 | 1146 | 千吨 | 2026-9 |
| 1979 | 1117 | 千吨 | 2026-9 |
| 1978 | 1063 | 千吨 | 2026-9 |
| 1977 | 1023 | 千吨 | 2026-9 |
| 1976 | 978 | 千吨 | 2026-9 |
| 1975 | 947 | 千吨 | 2026-9 |
| 1974 | 917 | 千吨 | 2026-9 |
| 1973 | 881 | 千吨 | 2026-9 |
| 1972 | 868 | 千吨 | 2026-9 |
| 1971 | 819 | 千吨 | 2026-9 |
| 1970 | 781 | 千吨 | 2026-9 |
| 1969 | 739 | 千吨 | 2026-9 |
| 1968 | 715 | 千吨 | 2026-9 |
| 1967 | 681 | 千吨 | 2026-9 |
| 1966 | 651 | 千吨 | 2026-9 |
| 1965 | 618 | 千吨 | 2026-9 |
| 1964 | 576 | 千吨 | 2026-9 |