| Value | Category | Cases | |
|---|---|---|---|
| -1000 | Does not apply (SPONTANEOUS) | 98 |
21.9%
|
| -9 | Don’t know (SPONTANEOUS) | 1 |
0.2%
|
| 1 | yes | 98 |
21.9%
|
| 2 | No | 250 |
55.9%
|
| Sysmiss | 224 |