| Value | Category | Cases | |
|---|---|---|---|
| 1 | YES SPONTANEOUS | 19 |
4.2%
|
| 2 | YES RECOG | 7 |
1.5%
|
| 3 | NO | 425 |
94%
|
| 9 | REFUSED | 1 |
0.2%
|
| Sysmiss | 217 |