| Value | Category | Cases | |
|---|---|---|---|
| 1 | Flat | 934 |
69.6%
|
| 2 | Slight slope | 337 |
25.1%
|
| 3 | Moderate slope | 60 |
4.5%
|
| 4 | Steep,hilly | 11 |
0.8%
|
| Sysmiss | 12244 |