| 序号 | 时间 (年) |
数据 (万亩) |
|---|---|---|
| 1 | 2005 | |
| 2 | 2004 | |
| 3 | 2003 | |
| 4 | 2002 | |
| 5 | 2001 | |
| 6 | 2000 | |
| 7 | 1991 | |
| 8 | 1990 | |
| 9 | 1989 | |
| 10 | 1988 | |
| 11 | 1987 | 220.50 |
| 12 | 1986 | 222.60 |
| 13 | 1985 | 174.00 |
| 14 | 1980 | 191.90 |
| 15 | 1978 | 212.51 |
| 16 | 1975 | 229.65 |
| 17 | 1970 | 225.42 |
| 18 | 1965 | 229.21 |
