| Value | Category | Cases | |
|---|---|---|---|
| 1 | Certain but shorter | 8 |
30.8%
|
| 2 | Certain and longer | 11 |
42.3%
|
| 3 | Uncertain and Shorter | 4 |
15.4%
|
| 4 | Uncertain but Longer | 3 |
11.5%
|
| Sysmiss | 716 |