| 年度 | 数值 | 单位 | 发布日期 |
|---|
| 2003/2004 | 380 | 千吨 | 2026-9 |
| 2002/2003 | 380 | 千吨 | 2026-9 |
| 2001/2002 | 340 | 千吨 | 2026-9 |
| 2000/2001 | 410 | 千吨 | 2026-9 |
| 1999/2000 | 405 | 千吨 | 2026-9 |
| 1998/1999 | 410 | 千吨 | 2026-9 |
| 1997/1998 | 450 | 千吨 | 2026-9 |
| 1996/1997 | 390 | 千吨 | 2026-9 |
| 1995/1996 | 480 | 千吨 | 2026-9 |
| 1994/1995 | 395 | 千吨 | 2026-9 |
| 1993/1994 | 400 | 千吨 | 2026-9 |
| 1992/1993 | 415 | 千吨 | 2026-9 |
| 1991/1992 | 518 | 千吨 | 2026-9 |
| 1990/1991 | 525 | 千吨 | 2026-9 |
| 1989/1990 | 530 | 千吨 | 2026-9 |
| 1988/1989 | 525 | 千吨 | 2026-9 |
| 1987/1988 | 500 | 千吨 | 2026-9 |
| 1986/1987 | 522 | 千吨 | 2026-9 |
| 1985/1986 | 510 | 千吨 | 2026-9 |
| 1984/1985 | 514 | 千吨 | 2026-9 |
| 1983/1984 | 489 | 千吨 | 2026-9 |
| 1982/1983 | 485 | 千吨 | 2026-9 |
| 1981/1982 | 546 | 千吨 | 2026-9 |
| 1980/1981 | 580 | 千吨 | 2026-9 |
| 1979/1980 | 475 | 千吨 | 2026-9 |
| 1978/1979 | 583 | 千吨 | 2026-9 |
| 1977/1978 | 537 | 千吨 | 2026-9 |
| 1976/1977 | 513 | 千吨 | 2026-9 |
| 1975/1976 | 520 | 千吨 | 2026-9 |
| 1974/1975 | 537 | 千吨 | 2026-9 |
| 1973/1974 | 520 | 千吨 | 2026-9 |
| 1972/1973 | 530 | 千吨 | 2026-9 |
| 1971/1972 | 475 | 千吨 | 2026-9 |
| 1970/1971 | 450 | 千吨 | 2026-9 |
| 1969/1970 | 438 | 千吨 | 2026-9 |
| 1968/1969 | 421 | 千吨 | 2026-9 |
| 1967/1968 | 395 | 千吨 | 2026-9 |
| 1966/1967 | 373 | 千吨 | 2026-9 |
| 1965/1966 | 368 | 千吨 | 2026-9 |
| 1964/1965 | 361 | 千吨 | 2026-9 |
| 1963/1964 | 333 | 千吨 | 2026-9 |
| 1962/1963 | 325 | 千吨 | 2026-9 |
| 1961/1962 | 308 | 千吨 | 2026-9 |
| 1960/1961 | 307 | 千吨 | 2026-9 |