| Value | Category | Cases | |
|---|---|---|---|
| -9 | Don't Know (Spontaneous) | 2 |
5.3%
|
| 1 | Longer | 11 |
28.9%
|
| 2 | Equal | 19 |
50%
|
| 3 | Shorter | 6 |
15.8%
|
| Sysmiss | 322 |