| Value | Category | Cases | |
|---|---|---|---|
| 1 | YES SPONTANEOUS | 38 |
6.4%
|
| 2 | YES RECOG | 28 |
4.7%
|
| 3 | NO | 530 |
88.8%
|
| 9 | REFUSED | 1 |
0.2%
|
| Sysmiss | 72 |