| Value | Category | Cases | |
|---|---|---|---|
| -9 | Don't Know (Spontaneous) | 1 |
1.5%
|
| 1 | Longer | 16 |
24.6%
|
| 2 | Equal | 35 |
53.8%
|
| 3 | Shorter | 13 |
20%
|
| Sysmiss | 1135 |