| Value | Category | Cases | |
|---|---|---|---|
| 1 | YES SPONTANEOUS | 12 |
2.5%
|
| 2 | YES RECOG | 38 |
7.9%
|
| 3 | NO | 428 |
89.4%
|
| 9 | REFUSED | 1 |
0.2%
|
| Sysmiss | 100 |