| Value | Category | Cases | |
|---|---|---|---|
| 1 | Every day | 2648 | 
                                    
                                    6.6%
                                 | 
| 2 | Several times a week | 6040 | 
                                    
                                    15.2%
                                 | 
| 3 | Once a week | 7046 | 
                                    
                                    17.7%
                                 | 
| 4 | 2-3 times a month | 5164 | 
                                    
                                    13%
                                 | 
| 5 | Once a month | 3573 | 
                                    
                                    9%
                                 | 
| 6 | Less than once a month | 6027 | 
                                    
                                    15.1%
                                 | 
| 7 | Never | 9348 | 
                                    
                                    23.5%
                                 | 
| 2147483623 | Refusal | 0 | 
                                    
                                    0%
                                 | 
| 2147483624 | Don't know | 0 | 
                                    
                                    0%
                                 | 
| 2147483625 | No answer | 0 | 
                                    
                                    0%
                                 | 
| 11 | .D | 339 |