| Value | Category | Cases | |
|---|---|---|---|
| 1 | YES SPONTANEOUS | 18 |
3.2%
|
| 2 | YES RECOG | 31 |
5.6%
|
| 3 | NO | 505 |
91.2%
|
| 9 | REFUSED | 0 |
0%
|
| Sysmiss | 426 |