| Value | Category | Cases | |
|---|---|---|---|
| 1 | YES SPONTANEOUS | 37 |
5.8%
|
| 2 | YES RECOG | 35 |
5.5%
|
| 3 | NO | 567 |
88.5%
|
| 9 | REFUSED | 2 |
0.3%
|
| Sysmiss | 339 |