| Value | Category | Cases | |
|---|---|---|---|
| 1 | Certain but shorter | 4 |
18.2%
|
| 2 | Certain and longer | 13 |
59.1%
|
| 3 | Uncertain and Shorter | 4 |
18.2%
|
| 4 | Uncertain but Longer | 1 |
4.5%
|
| Sysmiss | 720 |