| 年度 | 数值 | 单位 | 发布日期 |
|---|
| 1996 | 198 | 千吨 | 2026-9 |
| 1995 | 199 | 千吨 | 2026-9 |
| 1994 | 200 | 千吨 | 2026-9 |
| 1993 | 215 | 千吨 | 2026-9 |
| 1992 | 213 | 千吨 | 2026-9 |
| 1991 | 234 | 千吨 | 2026-9 |
| 1990 | 198 | 千吨 | 2026-9 |
| 1989 | 224 | 千吨 | 2026-9 |
| 1988 | 284 | 千吨 | 2026-9 |
| 1987 | 287 | 千吨 | 2026-9 |
| 1986 | 269 | 千吨 | 2026-9 |
| 1985 | 279 | 千吨 | 2026-9 |
| 1984 | 275 | 千吨 | 2026-9 |
| 1983 | 249 | 千吨 | 2026-9 |
| 1982 | 283 | 千吨 | 2026-9 |
| 1981 | 256 | 千吨 | 2026-9 |
| 1980 | 262 | 千吨 | 2026-9 |
| 1979 | 261 | 千吨 | 2026-9 |
| 1978 | 241 | 千吨 | 2026-9 |
| 1977 | 205 | 千吨 | 2026-9 |
| 1976 | 203 | 千吨 | 2026-9 |
| 1975 | 193 | 千吨 | 2026-9 |
| 1974 | 199 | 千吨 | 2026-9 |
| 1973 | 221 | 千吨 | 2026-9 |
| 1972 | 143 | 千吨 | 2026-9 |
| 1971 | 134 | 千吨 | 2026-9 |
| 1970 | 160 | 千吨 | 2026-9 |
| 1969 | 139 | 千吨 | 2026-9 |
| 1968 | 141 | 千吨 | 2026-9 |
| 1967 | 131 | 千吨 | 2026-9 |
| 1966 | 120 | 千吨 | 2026-9 |
| 1965 | 105 | 千吨 | 2026-9 |
| 1964 | 111 | 千吨 | 2026-9 |