| Value | Category | Cases | |
|---|---|---|---|
| -9 | Don't Know (Spontaneous) | 4 |
23.5%
|
| 1 | Longer | 5 |
29.4%
|
| 2 | Equal | 3 |
17.6%
|
| 3 | Shorter | 5 |
29.4%
|
| Sysmiss | 515 |