| Value | Category | Cases | |
|---|---|---|---|
| 1 | Never | 5945 | 
                                    
                                    15%
                                 | 
| 2 | Less than once a month | 5124 | 
                                    
                                    12.9%
                                 | 
| 3 | Once a month | 2947 | 
                                    
                                    7.4%
                                 | 
| 4 | Several times a month | 5456 | 
                                    
                                    13.7%
                                 | 
| 5 | Once a week | 3427 | 
                                    
                                    8.6%
                                 | 
| 6 | Several times a week | 7575 | 
                                    
                                    19.1%
                                 | 
| 7 | Every day | 9288 | 
                                    
                                    23.4%
                                 | 
| 2147483623 | Refusal | 0 | 
                                    
                                    0%
                                 | 
| 2147483624 | Don't know | 0 | 
                                    
                                    0%
                                 | 
| 2147483625 | No answer | 0 | 
                                    
                                    0%
                                 | 
| 11 | .D | 423 |