| 序号 | 时间(年) | 单位:百克/公顷 |
|---|---|---|
| 注:时间后面标注“E”其对应的值为系统根据历史数据预测所得,仅供参考。 | ||
| 1 | 2002 | 4.78 |
| 2 | 2001 | 4.78 |
| 3 | 2000 | 4.79 |
| 4 | 1999 | 4.79 |
| 5 | 1998 | 4.79 |
| 6 | 1997 | 4.79 |
| 7 | 1996 | 4.81 |
| 8 | 1990 | 26.42 |
| 9 | 1989 | 26.44 |
| 10 | 1988 | 21.55 |
| 11 | 1987 | 36.35 |
| 12 | 1986 | 16.96 |
| 13 | 1985 | 5.95 |
| 14 | 1984 | 38.45 |
| 15 | 1983 | 24.02 |
| 16 | 1982 | 10.06 |
| 17 | 1981 | 13.14 |
| 18 | 1980 | 12.20 |
| 19 | 1979 | 1.02 |
| 20 | 1978 | 2.05 |
| 21 | 1977 | 1.03 |
| 22 | 1975 | 37.92 |
| 23 | 1974 | 30.37 |
| 24 | 1973 | 29.44 |
| 25 | 1972 | 38.05 |
| 26 | 1971 | 38.26 |
| 27 | 1970 | 27.78 |
| 28 | 1969 | 37.59 |
| 29 | 1968 | 22.68 |
| 30 | 1967 | 21.72 |
| 31 | 1966 | 12.01 |
| 32 | 1965 | 16.47 |
| 33 | 1964 | 11.04 |
| 34 | 1963 | 5.55 |
| 35 | 1962 | 5.58 |
| 36 | 1961 | 5.61 |
