| 年度 | 数值 | 单位 | 发布日期 |
|---|
| 2004 | 102 | 千吨 | 2026-9 |
| 2003 | 120 | 千吨 | 2026-9 |
| 2002 | 120 | 千吨 | 2026-9 |
| 2001 | 121 | 千吨 | 2026-9 |
| 2000 | 128 | 千吨 | 2026-9 |
| 1999 | 130 | 千吨 | 2026-9 |
| 1998 | 120 | 千吨 | 2026-9 |
| 1997 | 135 | 千吨 | 2026-9 |
| 1996 | 138 | 千吨 | 2026-9 |
| 1995 | 120 | 千吨 | 2026-9 |
| 1994 | 113 | 千吨 | 2026-9 |
| 1993 | 113 | 千吨 | 2026-9 |
| 1992 | 125 | 千吨 | 2026-9 |
| 1991 | 111 | 千吨 | 2026-9 |
| 1990 | 102 | 千吨 | 2026-9 |
| 1989 | 121 | 千吨 | 2026-9 |
| 1988 | 145 | 千吨 | 2026-9 |
| 1987 | 139 | 千吨 | 2026-9 |
| 1986 | 137 | 千吨 | 2026-9 |
| 1985 | 115 | 千吨 | 2026-9 |
| 1984 | 112 | 千吨 | 2026-9 |
| 1983 | 87 | 千吨 | 2026-9 |
| 1982 | 88 | 千吨 | 2026-9 |
| 1981 | 97 | 千吨 | 2026-9 |
| 1980 | 85 | 千吨 | 2026-9 |
| 1979 | 81 | 千吨 | 2026-9 |
| 1978 | 81 | 千吨 | 2026-9 |
| 1977 | 95 | 千吨 | 2026-9 |
| 1976 | 83 | 千吨 | 2026-9 |
| 1975 | 75 | 千吨 | 2026-9 |
| 1974 | 64 | 千吨 | 2026-9 |
| 1973 | 64 | 千吨 | 2026-9 |
| 1972 | 52 | 千吨 | 2026-9 |
| 1971 | 44 | 千吨 | 2026-9 |
| 1970 | 46 | 千吨 | 2026-9 |
| 1969 | 49 | 千吨 | 2026-9 |
| 1968 | 40 | 千吨 | 2026-9 |
| 1967 | 36 | 千吨 | 2026-9 |
| 1966 | 34 | 千吨 | 2026-9 |
| 1965 | 35 | 千吨 | 2026-9 |
| 1964 | 38 | 千吨 | 2026-9 |
| 1963 | 36 | 千吨 | 2026-9 |
| 1962 | 36 | 千吨 | 2026-9 |
| 1961 | 33 | 千吨 | 2026-9 |
| 1960 | 25 | 千吨 | 2026-9 |