| Value | Category | Cases | |
|---|---|---|---|
| 1 | Certain but shorter | 56 |
42.4%
|
| 2 | Certain and longer | 28 |
21.2%
|
| 3 | Uncertain and Shorter | 42 |
31.8%
|
| 4 | Uncertain but Longer | 6 |
4.5%
|
| Sysmiss | 610 |