| Value | Category | Cases | |
|---|---|---|---|
| 1 | YES SPONTANEOUS | 159 |
79.5%
|
| 2 | YES RECOG | 35 |
17.5%
|
| 3 | NO | 5 |
2.5%
|
| 9 | REFUSED | 1 |
0.5%
|
| Sysmiss | 1 |