| Value | Category | Cases | |
|---|---|---|---|
| 1 | Certain but shorter | 37 |
27.2%
|
| 2 | Certain and longer | 48 |
35.3%
|
| 3 | Uncertain and Shorter | 38 |
27.9%
|
| 4 | Uncertain but Longer | 13 |
9.6%
|
| Sysmiss | 606 |