| Valeur | Catégorie | le cas | |
|---|---|---|---|
| 1 | Then | 204 |
56.8%
|
| 2 | Later | 130 |
36.2%
|
| 3 | Not at all | 25 |
7%
|
| 9 | 2 | ||
| Sysmiss | 2788 |