| Valeur | Catégorie | le cas | |
|---|---|---|---|
| 1 | Then | 1304 |
65%
|
| 2 | Later | 509 |
25.4%
|
| 3 | No more | 192 |
9.6%
|
| 9 | 11 | ||
| Sysmiss | 3313 |