| 年度 | 数值 | 单位 | 发布日期 |
|---|
| 2000 | 198 | 千吨 | 2026-9 |
| 1999 | 193 | 千吨 | 2026-9 |
| 1998 | 180 | 千吨 | 2026-9 |
| 1997 | 169 | 千吨 | 2026-9 |
| 1996 | 170 | 千吨 | 2026-9 |
| 1995 | 163 | 千吨 | 2026-9 |
| 1994 | 156 | 千吨 | 2026-9 |
| 1993 | 165 | 千吨 | 2026-9 |
| 1992 | 145 | 千吨 | 2026-9 |
| 1991 | 132 | 千吨 | 2026-9 |
| 1990 | 124 | 千吨 | 2026-9 |
| 1989 | 120 | 千吨 | 2026-9 |
| 1988 | 118 | 千吨 | 2026-9 |
| 1987 | 105 | 千吨 | 2026-9 |
| 1986 | 106 | 千吨 | 2026-9 |
| 1985 | 138 | 千吨 | 2026-9 |
| 1984 | 138 | 千吨 | 2026-9 |
| 1983 | 125 | 千吨 | 2026-9 |
| 1982 | 119 | 千吨 | 2026-9 |
| 1981 | 108 | 千吨 | 2026-9 |
| 1980 | 107 | 千吨 | 2026-9 |
| 1979 | 117 | 千吨 | 2026-9 |
| 1978 | 102 | 千吨 | 2026-9 |
| 1977 | 106 | 千吨 | 2026-9 |
| 1976 | 103 | 千吨 | 2026-9 |
| 1975 | 91 | 千吨 | 2026-9 |
| 1974 | 86 | 千吨 | 2026-9 |
| 1973 | 80 | 千吨 | 2026-9 |
| 1972 | 76 | 千吨 | 2026-9 |
| 1971 | 70 | 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 |