| 年度 | 数值 | 单位 | 发布日期 |
| 1999/2000 | 212000 | 吨 | 2026-9 |
| 1998/1999 | 260300 | 吨 | 2026-9 |
| 1997/1998 | 266400 | 吨 | 2026-9 |
| 1996/1997 | 204000 | 吨 | 2026-9 |
| 1995/1996 | 167600 | 吨 | 2026-9 |
| 1994/1995 | 139800 | 吨 | 2026-9 |
| 1993/1994 | 161000 | 吨 | 2026-9 |
| 1992/1993 | 122100 | 吨 | 2026-9 |
| 1991/1992 | 115200 | 吨 | 2026-9 |
| 1990/1991 | 156700 | 吨 | 2026-9 |
| 1989/1990 | 146800 | 吨 | 2026-9 |
| 1988/1989 | 179500 | 吨 | 2026-9 |
| 1987/1988 | 112800 | 吨 | 2026-9 |
| 1986/1987 | 178900 | 吨 | 2026-9 |
| 1985/1986 | 139800 | 吨 | 2026-9 |
| 1984/1985 | 180100 | 吨 | 2026-9 |
| 1983/1984 | 161700 | 吨 | 2026-9 |
| 1982/1983 | 234400 | 吨 | 2026-9 |
| 1976/1977 | 0 | 吨 | 2026-9 |
| 1975/1976 | 0 | 吨 | 2026-9 |
| 1974/1975 | 0 | 吨 | 2026-9 |
| 1973/1974 | 0 | 吨 | 2026-9 |
| 1972/1973 | 0 | 吨 | 2026-9 |
| 1971/1972 | 0 | 吨 | 2026-9 |
| 1970/1971 | 0 | 吨 | 2026-9 |