| Value | Category | Cases | |
|---|---|---|---|
| 1 | Hebdomadaire | 0 | 
                                    
                                    0%
                                 | 
| 2 | Mensuel | 21 | 
                                    
                                    84%
                                 | 
| 3 | Tous les 2 mois | 2 | 
                                    
                                    8%
                                 | 
| 4 | Trimestriel | 2 | 
                                    
                                    8%
                                 | 
| Sysmiss | 6985 |