| Valeur | Catégorie | le cas | |
|---|---|---|---|
| 1 | Then | 607 |
89.4%
|
| 2 | Later | 61 |
9%
|
| 3 | Not at all | 10 |
1.5%
|
| 9 | 1 |
0.1%
|
|
| Sysmiss | 4409 |