| Value | Category | Cases | |
|---|---|---|---|
| -9 | Don't Know (Spontaneous) | 11 |
8.5%
|
| 1 | Longer | 21 |
16.3%
|
| 2 | Equal | 72 |
55.8%
|
| 3 | Shorter | 25 |
19.4%
|
| Sysmiss | 1317 |