| Value | Category | Cases | |
|---|---|---|---|
| -99 | -99 (don't know) | 0 |
0%
|
| -66 | -66 (refuse to answer) | 0 |
0%
|
| 1 | Hilltop (upland) | 0 |
0%
|
| 2 | Hillside (upland) | 2 |
25%
|
| 3 | Hill foot (upland) | 0 |
0%
|
| 4 | Flat upland | 4 |
50%
|
| 5 | Swamp (lowland) | 2 |
25%
|
| 6 | Both upland and lowland | 0 |
0%
|
| Sysmiss | 1108 |