| 年度 | 数值 | 单位 | 发布日期 |
|---|
| 2007 | 900 | 千吨 | 2026-9 |
| 2006 | 900 | 千吨 | 2026-9 |
| 2005 | 856 | 千吨 | 2026-9 |
| 2004 | 375 | 千吨 | 2026-9 |
| 2003 | 350 | 千吨 | 2026-9 |
| 2002 | 340 | 千吨 | 2026-9 |
| 2001 | 330 | 千吨 | 2026-9 |
| 2000 | 345 | 千吨 | 2026-9 |
| 1999 | 380 | 千吨 | 2026-9 |
| 1998 | 400 | 千吨 | 2026-9 |
| 1997 | 415 | 千吨 | 2026-9 |
| 1996 | 430 | 千吨 | 2026-9 |
| 1995 | 435 | 千吨 | 2026-9 |
| 1994 | 400 | 千吨 | 2026-9 |
| 1993 | 600 | 千吨 | 2026-9 |
| 1992 | 570 | 千吨 | 2026-9 |
| 1991 | 550 | 千吨 | 2026-9 |
| 1990 | 525 | 千吨 | 2026-9 |
| 1989 | 450 | 千吨 | 2026-9 |
| 1988 | 420 | 千吨 | 2026-9 |
| 1987 | 412 | 千吨 | 2026-9 |
| 1986 | 426 | 千吨 | 2026-9 |
| 1985 | 419 | 千吨 | 2026-9 |
| 1984 | 397 | 千吨 | 2026-9 |
| 1983 | 374 | 千吨 | 2026-9 |
| 1982 | 346 | 千吨 | 2026-9 |
| 1981 | 333 | 千吨 | 2026-9 |
| 1980 | 347 | 千吨 | 2026-9 |
| 1979 | 359 | 千吨 | 2026-9 |
| 1978 | 353 | 千吨 | 2026-9 |
| 1977 | 362 | 千吨 | 2026-9 |
| 1976 | 358 | 千吨 | 2026-9 |
| 1975 | 353 | 千吨 | 2026-9 |
| 1974 | 320 | 千吨 | 2026-9 |
| 1973 | 320 | 千吨 | 2026-9 |
| 1972 | 320 | 千吨 | 2026-9 |
| 1971 | 310 | 千吨 | 2026-9 |
| 1970 | 310 | 千吨 | 2026-9 |
| 1969 | 310 | 千吨 | 2026-9 |
| 1968 | 300 | 千吨 | 2026-9 |
| 1967 | 300 | 千吨 | 2026-9 |
| 1966 | 300 | 千吨 | 2026-9 |
| 1965 | 300 | 千吨 | 2026-9 |
| 1964 | 0 | 千吨 | 2026-9 |