| Value | Category | Cases | |
|---|---|---|---|
| -9 | Don't Know (Spontaneous) | 5 |
10.2%
|
| 1 | Longer | 14 |
28.6%
|
| 2 | Equal | 17 |
34.7%
|
| 3 | Shorter | 13 |
26.5%
|
| Sysmiss | 311 |