| Value | Category | Cases | |
|---|---|---|---|
| 1 | Everyday | 5 | 
                                    
                                    4.6%
                                 | 
| 2 | During the week-ends only | 29 | 
                                    
                                    26.9%
                                 | 
| 3 | During the week-ends and some week days | 34 | 
                                    
                                    31.5%
                                 | 
| 4 | Never | 40 | 
                                    
                                    37%
                                 | 
| Sysmiss | 143 |