| 年度 | 数值 | 单位 | 发布日期 |
|---|
| 1998/1999 | 1965 | 千公顷 | 2026-9 |
| 1997/1998 | 1999 | 千公顷 | 2026-9 |
| 1996/1997 | 1936 | 千公顷 | 2026-9 |
| 1995/1996 | 1821 | 千公顷 | 2026-9 |
| 1994/1995 | 2056 | 千公顷 | 2026-9 |
| 1993/1994 | 1986 | 千公顷 | 2026-9 |
| 1992/1993 | 1991 | 千公顷 | 2026-9 |
| 1991/1992 | 2066 | 千公顷 | 2026-9 |
| 1990/1991 | 2377 | 千公顷 | 2026-9 |
| 1989/1990 | 2680 | 千公顷 | 2026-9 |
| 1988/1989 | 2797 | 千公顷 | 2026-9 |
| 1987/1988 | 2742 | 千公顷 | 2026-9 |
| 1986/1987 | 2993 | 千公顷 | 2026-9 |
| 1985/1986 | 3337 | 千公顷 | 2026-9 |
| 1984/1985 | 3308 | 千公顷 | 2026-9 |
| 1983/1984 | 3365 | 千公顷 | 2026-9 |
| 1982/1983 | 3805 | 千公顷 | 2026-9 |
| 1981/1982 | 3666 | 千公顷 | 2026-9 |
| 1980/1981 | 3723 | 千公顷 | 2026-9 |
| 1979/1980 | 3739 | 千公顷 | 2026-9 |
| 1978/1979 | 3977 | 千公顷 | 2026-9 |
| 1977/1978 | 3751 | 千公顷 | 2026-9 |
| 1976/1977 | 4223 | 千公顷 | 2026-9 |
| 1975/1976 | 4439 | 千公顷 | 2026-9 |
| 1974/1975 | 4304 | 千公顷 | 2026-9 |
| 1973/1974 | 4351 | 千公顷 | 2026-9 |
| 1972/1973 | 4529 | 千公顷 | 2026-9 |
| 1971/1972 | 4827 | 千公顷 | 2026-9 |
| 1970/1971 | 4785 | 千公顷 | 2026-9 |
| 1969/1970 | 4999 | 千公顷 | 2026-9 |
| 1968/1969 | 5139 | 千公顷 | 2026-9 |
| 1967/1968 | 5280 | 千公顷 | 2026-9 |
| 1966/1967 | 5264 | 千公顷 | 2026-9 |
| 1965/1966 | 5310 | 千公顷 | 2026-9 |
| 1964/1965 | 5502 | 千公顷 | 2026-9 |
| 1963/1964 | 5883 | 千公顷 | 2026-9 |
| 1962/1963 | 6187 | 千公顷 | 2026-9 |
| 1961/1962 | 6415 | 千公顷 | 2026-9 |
| 1960/1961 | 6578 | 千公顷 | 2026-9 |