| 年度 | 数值 | 单位 | 发布日期 |
|---|
| 1999/2000 | 22800 | 吨 | 2026-9 |
| 1998/1999 | 22746 | 吨 | 2026-9 |
| 1997/1998 | 21131 | 吨 | 2026-9 |
| 1996/1997 | 19628 | 吨 | 2026-9 |
| 1995/1996 | 16534 | 吨 | 2026-9 |
| 1994/1995 | 16300 | 吨 | 2026-9 |
| 1993/1994 | 16200 | 吨 | 2026-9 |
| 1992/1993 | 16000 | 吨 | 2026-9 |
| 1991/1992 | 14739 | 吨 | 2026-9 |
| 1990/1991 | 15436 | 吨 | 2026-9 |
| 1989/1990 | 14386 | 吨 | 2026-9 |
| 1988/1989 | 20330 | 吨 | 2026-9 |
| 1987/1988 | 18224 | 吨 | 2026-9 |
| 1986/1987 | 12874 | 吨 | 2026-9 |
| 1985/1986 | 14504 | 吨 | 2026-9 |
| 1984/1985 | 13368 | 吨 | 2026-9 |
| 1983/1984 | 15997 | 吨 | 2026-9 |
| 1982/1983 | 12598 | 吨 | 2026-9 |
| 1976/1977 | 10000 | 吨 | 2026-9 |
| 1975/1976 | 13000 | 吨 | 2026-9 |
| 1974/1975 | 15000 | 吨 | 2026-9 |
| 1973/1974 | 13000 | 吨 | 2026-9 |
| 1972/1973 | 12000 | 吨 | 2026-9 |
| 1971/1972 | 12000 | 吨 | 2026-9 |
| 1970/1971 | 14000 | 吨 | 2026-9 |