| 年度 | 数值 | 单位 | 发布日期 |
|---|
| 2004 | 158 | 千吨 | 2026-9 |
| 2003 | 149 | 千吨 | 2026-9 |
| 2002 | 145 | 千吨 | 2026-9 |
| 2001 | 142 | 千吨 | 2026-9 |
| 2000 | 140 | 千吨 | 2026-9 |
| 1999 | 134 | 千吨 | 2026-9 |
| 1998 | 124 | 千吨 | 2026-9 |
| 1997 | 110 | 千吨 | 2026-9 |
| 1996 | 107 | 千吨 | 2026-9 |
| 1995 | 102 | 千吨 | 2026-9 |
| 1994 | 107 | 千吨 | 2026-9 |
| 1993 | 108 | 千吨 | 2026-9 |
| 1992 | 105 | 千吨 | 2026-9 |
| 1991 | 109 | 千吨 | 2026-9 |
| 1990 | 116 | 千吨 | 2026-9 |
| 1989 | 112 | 千吨 | 2026-9 |
| 1988 | 116 | 千吨 | 2026-9 |
| 1987 | 107 | 千吨 | 2026-9 |
| 1986 | 90 | 千吨 | 2026-9 |
| 1985 | 101 | 千吨 | 2026-9 |
| 1984 | 110 | 千吨 | 2026-9 |
| 1983 | 91 | 千吨 | 2026-9 |
| 1982 | 68 | 千吨 | 2026-9 |
| 1981 | 70 | 千吨 | 2026-9 |
| 1980 | 74 | 千吨 | 2026-9 |
| 1979 | 78 | 千吨 | 2026-9 |
| 1978 | 83 | 千吨 | 2026-9 |
| 1977 | 81 | 千吨 | 2026-9 |
| 1976 | 79 | 千吨 | 2026-9 |
| 1975 | 85 | 千吨 | 2026-9 |
| 1974 | 88 | 千吨 | 2026-9 |
| 1973 | 85 | 千吨 | 2026-9 |
| 1972 | 96 | 千吨 | 2026-9 |
| 1971 | 111 | 千吨 | 2026-9 |
| 1970 | 109 | 千吨 | 2026-9 |
| 1969 | 104 | 千吨 | 2026-9 |
| 1968 | 93 | 千吨 | 2026-9 |
| 1967 | 93 | 千吨 | 2026-9 |
| 1966 | 95 | 千吨 | 2026-9 |
| 1965 | 91 | 千吨 | 2026-9 |
| 1964 | 94 | 千吨 | 2026-9 |
| 1963 | 98 | 千吨 | 2026-9 |
| 1962 | 89 | 千吨 | 2026-9 |
| 1961 | 74 | 千吨 | 2026-9 |
| 1960 | 66 | 千吨 | 2026-9 |