| Value | Category | Cases | |
|---|---|---|---|
| 1 | Pit | 230 |
84.2%
|
| 2 | Skip | 11 |
4%
|
| 3 | Bush | 1 |
0.4%
|
| 8 | Other | 31 |
11.4%
|
| Sysmiss | 17 |