| Value | Category | Cases | |
|---|---|---|---|
| -1 | Missing | 0 | 
                                    
                                    0%
                                 | 
| 0 | No | 1093 | 
                                    
                                    91.1%
                                 | 
| 1 | Yes, once or twice | 51 | 
                                    
                                    4.3%
                                 | 
| 2 | Yes, several times | 36 | 
                                    
                                    3%
                                 | 
| 3 | Yes, often | 17 | 
                                    
                                    1.4%
                                 | 
| 8 | Refused | 1 | 
                                    
                                    0.1%
                                 | 
| 9 | Don't know | 2 | 
                                    
                                    0.2%
                                 |