| 年度 | 数值 | 单位 | 发布日期 |
|---|
| 1996 | 20113 | 千吨 | 2026-9 |
| 1995 | 19548 | 千吨 | 2026-9 |
| 1994 | 19054 | 千吨 | 2026-9 |
| 1993 | 19306 | 千吨 | 2026-9 |
| 1992 | 18958 | 千吨 | 2026-9 |
| 1991 | 18585 | 千吨 | 2026-9 |
| 1990 | 17100 | 千吨 | 2026-9 |
| 1989 | 17408 | 千吨 | 2026-9 |
| 1988 | 17383 | 千吨 | 2026-9 |
| 1987 | 18038 | 千吨 | 2026-9 |
| 1986 | 20442 | 千吨 | 2026-9 |
| 1985 | 19240 | 千吨 | 2026-9 |
| 1984 | 20154 | 千吨 | 2026-9 |
| 1983 | 21187 | 千吨 | 2026-9 |
| 1982 | 18923 | 千吨 | 2026-9 |
| 1981 | 19903 | 千吨 | 2026-9 |
| 1980 | 19961 | 千吨 | 2026-9 |
| 1979 | 19396 | 千吨 | 2026-9 |
| 1978 | 18894 | 千吨 | 2026-9 |
| 1977 | 18102 | 千吨 | 2026-9 |
| 1976 | 17558 | 千吨 | 2026-9 |
| 1975 | 16922 | 千吨 | 2026-9 |
| 1974 | 16599 | 千吨 | 2026-9 |
| 1973 | 16100 | 千吨 | 2026-9 |
| 1972 | 15863 | 千吨 | 2026-9 |
| 1971 | 15220 | 千吨 | 2026-9 |
| 1970 | 15620 | 千吨 | 2026-9 |
| 1969 | 16174 | 千吨 | 2026-9 |
| 1968 | 16271 | 千吨 | 2026-9 |
| 1967 | 15699 | 千吨 | 2026-9 |
| 1966 | 15200 | 千吨 | 2026-9 |
| 1965 | 15111 | 千吨 | 2026-9 |
| 1964 | 14412 | 千吨 | 2026-9 |