| Value | Category | Cases | |
|---|---|---|---|
| 1 | Certain but shorter | 15 |
51.7%
|
| 2 | Certain and longer | 9 |
31%
|
| 3 | Uncertain and Shorter | 2 |
6.9%
|
| 4 | Uncertain but Longer | 3 |
10.3%
|
| Sysmiss | 713 |