| Value | Category | Cases | |
|---|---|---|---|
| 1 | 1. USING GPS | 17687 |
91.5%
|
| 2 | 2. USING ROPE AND COMPASS | 1554 |
8%
|
| 3 | 3. NOT MEASURED | 97 |
0.5%
|
| Sysmiss | 1 |