| 年度 | 数值 | 单位 | 发布日期 |
| 1996 | 1708 | 千吨 | 2026-9 |
| 1995 | 1706 | 千吨 | 2026-9 |
| 1994 | 1667 | 千吨 | 2026-9 |
| 1993 | 1634 | 千吨 | 2026-9 |
| 1992 | 1608 | 千吨 | 2026-9 |
| 1991 | 1607 | 千吨 | 2026-9 |
| 1990 | 1568 | 千吨 | 2026-9 |
| 1989 | 1595 | 千吨 | 2026-9 |
| 1988 | 1522 | 千吨 | 2026-9 |
| 1987 | 1442 | 千吨 | 2026-9 |
| 1986 | 1399 | 千吨 | 2026-9 |
| 1985 | 1391 | 千吨 | 2026-9 |
| 1984 | 1360 | 千吨 | 2026-9 |
| 1983 | 1313 | 千吨 | 2026-9 |
| 1982 | 1254 | 千吨 | 2026-9 |
| 1981 | 1236 | 千吨 | 2026-9 |
| 1980 | 1211 | 千吨 | 2026-9 |
| 1979 | 1175 | 千吨 | 2026-9 |
| 1978 | 1111 | 千吨 | 2026-9 |
| 1977 | 1086 | 千吨 | 2026-9 |
| 1976 | 1037 | 千吨 | 2026-9 |
| 1975 | 972 | 千吨 | 2026-9 |
| 1974 | 951 | 千吨 | 2026-9 |
| 1973 | 936 | 千吨 | 2026-9 |
| 1972 | 890 | 千吨 | 2026-9 |
| 1971 | 845 | 千吨 | 2026-9 |
| 1970 | 806 | 千吨 | 2026-9 |
| 1969 | 779 | 千吨 | 2026-9 |
| 1968 | 735 | 千吨 | 2026-9 |
| 1967 | 701 | 千吨 | 2026-9 |
| 1966 | 665 | 千吨 | 2026-9 |
| 1965 | 643 | 千吨 | 2026-9 |
| 1964 | 601 | 千吨 | 2026-9 |