| 年度 | 数值 | 单位 | 发布日期 |
| 1999/2000 | 395300 | 吨 | 2026-9 |
| 1998/1999 | 442300 | 吨 | 2026-9 |
| 1997/1998 | 454400 | 吨 | 2026-9 |
| 1996/1997 | 366400 | 吨 | 2026-9 |
| 1995/1996 | 324200 | 吨 | 2026-9 |
| 1994/1995 | 286700 | 吨 | 2026-9 |
| 1993/1994 | 318200 | 吨 | 2026-9 |
| 1992/1993 | 232500 | 吨 | 2026-9 |
| 1991/1992 | 243200 | 吨 | 2026-9 |
| 1990/1991 | 268400 | 吨 | 2026-9 |
| 1989/1990 | 255100 | 吨 | 2026-9 |
| 1988/1989 | 295700 | 吨 | 2026-9 |
| 1987/1988 | 205900 | 吨 | 2026-9 |
| 1986/1987 | 283200 | 吨 | 2026-9 |
| 1985/1986 | 240800 | 吨 | 2026-9 |
| 1984/1985 | 276300 | 吨 | 2026-9 |
| 1983/1984 | 263000 | 吨 | 2026-9 |
| 1982/1983 | 339500 | 吨 | 2026-9 |
| 1976/1977 | 226000 | 吨 | 2026-9 |
| 1975/1976 | 213000 | 吨 | 2026-9 |
| 1974/1975 | 205000 | 吨 | 2026-9 |
| 1973/1974 | 187000 | 吨 | 2026-9 |
| 1972/1973 | 112000 | 吨 | 2026-9 |
| 1971/1972 | 158000 | 吨 | 2026-9 |
| 1970/1971 | 189000 | 吨 | 2026-9 |