| Value | Category | Cases | |
|---|---|---|---|
| 1 | Flat | 195 |
63.7%
|
| 2 | Slight slope | 87 |
28.4%
|
| 3 | Moderate slope | 19 |
6.2%
|
| 4 | Steep,hilly | 5 |
1.6%
|
| Sysmiss | 3394 |