| 年度 | 数值 | 单位 | 发布日期 |
|---|
| 2004 | 227 | 千吨 | 2026-9 |
| 2003 | 230 | 千吨 | 2026-9 |
| 2002 | 236 | 千吨 | 2026-9 |
| 2001 | 234 | 千吨 | 2026-9 |
| 2000 | 225 | 千吨 | 2026-9 |
| 1999 | 223 | 千吨 | 2026-9 |
| 1998 | 222 | 千吨 | 2026-9 |
| 1997 | 214 | 千吨 | 2026-9 |
| 1996 | 221 | 千吨 | 2026-9 |
| 1995 | 251 | 千吨 | 2026-9 |
| 1994 | 246 | 千吨 | 2026-9 |
| 1993 | 260 | 千吨 | 2026-9 |
| 1992 | 264 | 千吨 | 2026-9 |
| 1991 | 265 | 千吨 | 2026-9 |
| 1990 | 270 | 千吨 | 2026-9 |
| 1989 | 280 | 千吨 | 2026-9 |
| 1988 | 279 | 千吨 | 2026-9 |
| 1987 | 278 | 千吨 | 2026-9 |
| 1986 | 286 | 千吨 | 2026-9 |
| 1985 | 285 | 千吨 | 2026-9 |
| 1984 | 276 | 千吨 | 2026-9 |
| 1983 | 291 | 千吨 | 2026-9 |
| 1982 | 290 | 千吨 | 2026-9 |
| 1981 | 275 | 千吨 | 2026-9 |
| 1980 | 279 | 千吨 | 2026-9 |
| 1979 | 263 | 千吨 | 2026-9 |
| 1978 | 258 | 千吨 | 2026-9 |
| 1977 | 262 | 千吨 | 2026-9 |
| 1976 | 246 | 千吨 | 2026-9 |
| 1975 | 235 | 千吨 | 2026-9 |
| 1974 | 238 | 千吨 | 2026-9 |
| 1973 | 237 | 千吨 | 2026-9 |
| 1972 | 224 | 千吨 | 2026-9 |
| 1971 | 209 | 千吨 | 2026-9 |
| 1970 | 196 | 千吨 | 2026-9 |
| 1969 | 197 | 千吨 | 2026-9 |
| 1968 | 189 | 千吨 | 2026-9 |
| 1967 | 168 | 千吨 | 2026-9 |
| 1966 | 158 | 千吨 | 2026-9 |
| 1965 | 161 | 千吨 | 2026-9 |
| 1964 | 147 | 千吨 | 2026-9 |
| 1963 | 137 | 千吨 | 2026-9 |
| 1962 | 131 | 千吨 | 2026-9 |
| 1961 | 136 | 千吨 | 2026-9 |
| 1960 | 132 | 千吨 | 2026-9 |