| 年度 | 数值 | 单位 | 发布日期 |
|---|
| 2000 | 195 | 千吨 | 2026-9 |
| 1999 | 190 | 千吨 | 2026-9 |
| 1998 | 175 | 千吨 | 2026-9 |
| 1997 | 163 | 千吨 | 2026-9 |
| 1996 | 170 | 千吨 | 2026-9 |
| 1995 | 163 | 千吨 | 2026-9 |
| 1994 | 156 | 千吨 | 2026-9 |
| 1993 | 147 | 千吨 | 2026-9 |
| 1992 | 138 | 千吨 | 2026-9 |
| 1991 | 127 | 千吨 | 2026-9 |
| 1990 | 121 | 千吨 | 2026-9 |
| 1989 | 115 | 千吨 | 2026-9 |
| 1988 | 114 | 千吨 | 2026-9 |
| 1987 | 101 | 千吨 | 2026-9 |
| 1986 | 100 | 千吨 | 2026-9 |
| 1985 | 130 | 千吨 | 2026-9 |
| 1984 | 134 | 千吨 | 2026-9 |
| 1983 | 123 | 千吨 | 2026-9 |
| 1982 | 116 | 千吨 | 2026-9 |
| 1981 | 104 | 千吨 | 2026-9 |
| 1980 | 101 | 千吨 | 2026-9 |
| 1979 | 111 | 千吨 | 2026-9 |
| 1978 | 98 | 千吨 | 2026-9 |
| 1977 | 100 | 千吨 | 2026-9 |
| 1976 | 100 | 千吨 | 2026-9 |
| 1975 | 87 | 千吨 | 2026-9 |
| 1974 | 85 | 千吨 | 2026-9 |
| 1973 | 79 | 千吨 | 2026-9 |
| 1972 | 75 | 千吨 | 2026-9 |
| 1971 | 69 | 千吨 | 2026-9 |
| 1970 | 57 | 千吨 | 2026-9 |
| 1969 | 52 | 千吨 | 2026-9 |
| 1968 | 47 | 千吨 | 2026-9 |
| 1967 | 48 | 千吨 | 2026-9 |
| 1966 | 45 | 千吨 | 2026-9 |
| 1965 | 40 | 千吨 | 2026-9 |
| 1964 | 40 | 千吨 | 2026-9 |