| 年度 | 数值 | 单位 | 发布日期 |
|---|
| 2005 | 645 | 千吨 | 2026-9 |
| 2004 | 630 | 千吨 | 2026-9 |
| 2003 | 511 | 千吨 | 2026-9 |
| 2002 | 449 | 千吨 | 2026-9 |
| 2001 | 350 | 千吨 | 2026-9 |
| 2000 | 350 | 千吨 | 2026-9 |
| 1999 | 350 | 千吨 | 2026-9 |
| 1998 | 290 | 千吨 | 2026-9 |
| 1997 | 275 | 千吨 | 2026-9 |
| 1996 | 242 | 千吨 | 2026-9 |
| 1995 | 449 | 千吨 | 2026-9 |
| 1994 | 430 | 千吨 | 2026-9 |
| 1993 | 420 | 千吨 | 2026-9 |
| 1992 | 428 | 千吨 | 2026-9 |
| 1991 | 448 | 千吨 | 2026-9 |
| 1990 | 350 | 千吨 | 2026-9 |
| 1989 | 358 | 千吨 | 2026-9 |
| 1988 | 360 | 千吨 | 2026-9 |
| 1987 | 351 | 千吨 | 2026-9 |
| 1986 | 348 | 千吨 | 2026-9 |
| 1985 | 344 | 千吨 | 2026-9 |
| 1984 | 503 | 千吨 | 2026-9 |
| 1983 | 490 | 千吨 | 2026-9 |
| 1982 | 525 | 千吨 | 2026-9 |
| 1981 | 532 | 千吨 | 2026-9 |
| 1980 | 525 | 千吨 | 2026-9 |
| 1979 | 527 | 千吨 | 2026-9 |
| 1978 | 527 | 千吨 | 2026-9 |
| 1977 | 524 | 千吨 | 2026-9 |
| 1976 | 534 | 千吨 | 2026-9 |
| 1975 | 529 | 千吨 | 2026-9 |
| 1974 | 522 | 千吨 | 2026-9 |
| 1973 | 516 | 千吨 | 2026-9 |
| 1972 | 506 | 千吨 | 2026-9 |
| 1971 | 506 | 千吨 | 2026-9 |
| 1970 | 494 | 千吨 | 2026-9 |
| 1969 | 651 | 千吨 | 2026-9 |
| 1968 | 625 | 千吨 | 2026-9 |
| 1967 | 621 | 千吨 | 2026-9 |
| 1966 | 620 | 千吨 | 2026-9 |
| 1965 | 611 | 千吨 | 2026-9 |
| 1964 | 610 | 千吨 | 2026-9 |