| 年度 | 数值 | 单位 | 发布日期 |
|---|
| 2004 | 164 | 千吨 | 2026-9 |
| 2003 | 157 | 千吨 | 2026-9 |
| 2002 | 150 | 千吨 | 2026-9 |
| 2001 | 145 | 千吨 | 2026-9 |
| 2000 | 143 | 千吨 | 2026-9 |
| 1999 | 138 | 千吨 | 2026-9 |
| 1998 | 129 | 千吨 | 2026-9 |
| 1997 | 120 | 千吨 | 2026-9 |
| 1996 | 116 | 千吨 | 2026-9 |
| 1995 | 109 | 千吨 | 2026-9 |
| 1994 | 117 | 千吨 | 2026-9 |
| 1993 | 112 | 千吨 | 2026-9 |
| 1992 | 111 | 千吨 | 2026-9 |
| 1991 | 118 | 千吨 | 2026-9 |
| 1990 | 123 | 千吨 | 2026-9 |
| 1989 | 119 | 千吨 | 2026-9 |
| 1988 | 125 | 千吨 | 2026-9 |
| 1987 | 134 | 千吨 | 2026-9 |
| 1986 | 122 | 千吨 | 2026-9 |
| 1985 | 108 | 千吨 | 2026-9 |
| 1984 | 122 | 千吨 | 2026-9 |
| 1983 | 103 | 千吨 | 2026-9 |
| 1982 | 88 | 千吨 | 2026-9 |
| 1981 | 90 | 千吨 | 2026-9 |
| 1980 | 78 | 千吨 | 2026-9 |
| 1979 | 78 | 千吨 | 2026-9 |
| 1978 | 85 | 千吨 | 2026-9 |
| 1977 | 86 | 千吨 | 2026-9 |
| 1976 | 85 | 千吨 | 2026-9 |
| 1975 | 92 | 千吨 | 2026-9 |
| 1974 | 96 | 千吨 | 2026-9 |
| 1973 | 93 | 千吨 | 2026-9 |
| 1972 | 106 | 千吨 | 2026-9 |
| 1971 | 118 | 千吨 | 2026-9 |
| 1970 | 119 | 千吨 | 2026-9 |
| 1969 | 112 | 千吨 | 2026-9 |
| 1968 | 102 | 千吨 | 2026-9 |
| 1967 | 103 | 千吨 | 2026-9 |
| 1966 | 102 | 千吨 | 2026-9 |
| 1965 | 98 | 千吨 | 2026-9 |
| 1964 | 98 | 千吨 | 2026-9 |
| 1963 | 103 | 千吨 | 2026-9 |
| 1962 | 93 | 千吨 | 2026-9 |
| 1961 | 77 | 千吨 | 2026-9 |
| 1960 | 66 | 千吨 | 2026-9 |