| Value | Category | Cases | |
|---|---|---|---|
| -9 | Don't Know (Spontaneous) | 0 |
0%
|
| 1 | Longer | 15 |
17.4%
|
| 2 | Equal | 43 |
50%
|
| 3 | Shorter | 28 |
32.6%
|
| Sysmiss | 343 |