| 序号 | 时间 (年) |
数据 (千公顷) |
|---|---|---|
| 1 | 2025 | |
| 2 | 2024 | |
| 3 | 2023 | |
| 4 | 2022 | |
| 5 | 2021 | |
| 6 | 2020 | |
| 7 | 2019 | |
| 8 | 2018 | |
| 9 | 2017 | |
| 10 | 2016 | |
| 11 | 2015 | 2.00 |
| 12 | 2014 | 1.00 |
| 13 | 1999 | 3.00 |
| 14 | 1998 | 3.00 |
| 15 | 1997 | 3.00 |
| 16 | 1996 | 5.00 |
| 17 | 1995 | 5.00 |
| 18 | 1994 | 4.00 |
| 19 | 1993 | 6.00 |
| 20 | 1992 | 5.00 |
| 21 | 1991 | 4.00 |
| 22 | 1990 | 4.00 |
| 23 | 1989 | 4.00 |
| 24 | 1988 | 6.00 |
| 25 | 1987 | 8.00 |
| 26 | 1986 | 9.00 |
| 27 | 1985 | 9.00 |
| 28 | 1984 | 7.00 |
| 29 | 1983 | 6.00 |
| 30 | 1982 | 6.00 |
| 31 | 1981 | 8.00 |
| 32 | 1980 | 10.00 |
| 33 | 1979 | 15.00 |
| 34 | 1978 | 19.00 |
| 35 | 1977 | 24.00 |
| 36 | 1976 | 30.00 |
| 37 | 1975 | 36.00 |
| 38 | 1974 | 41.00 |
| 39 | 1973 | 44.00 |
| 40 | 1972 | 36.00 |
| 41 | 1971 | 36.00 |
| 42 | 1970 | 40.00 |
| 43 | 1969 | 43.00 |
| 44 | 1968 | 45.00 |
| 45 | 1967 | 49.00 |
| 46 | 1966 | 52.00 |
| 47 | 1965 | 51.00 |
| 48 | 1964 | 53.00 |
