| Value | Category | Cases | |
|---|---|---|---|
| 1 | Pit | 212 |
79.7%
|
| 2 | Skip | 18 |
6.8%
|
| 3 | Bush | 1 |
0.4%
|
| 8 | Other | 35 |
13.2%
|
| Sysmiss | 56 |