| Valeur | Catégorie | le cas | |
|---|---|---|---|
| 1 | Then | 492 | 
                                    
                                    43.2%
                                 | 
| 2 | Later | 482 | 
                                    
                                    42.4%
                                 | 
| 3 | No more | 164 | 
                                    
                                    14.4%
                                 | 
| 9 | 7 | ||
| Sysmiss | 6768 |