| Value | Category | Cases | |
|---|---|---|---|
| -1 | Missing | 0 | 
                                    
                                    0%
                                 | 
| 0 | Never | 953 | 
                                    
                                    79.4%
                                 | 
| 1 | Only once | 102 | 
                                    
                                    8.5%
                                 | 
| 2 | A few times | 104 | 
                                    
                                    8.7%
                                 | 
| 3 | Often | 38 | 
                                    
                                    3.2%
                                 | 
| 8 | Refused | 0 | 
                                    
                                    0%
                                 | 
| 9 | Don’t know | 3 | 
                                    
                                    0.3%
                                 | 
| 94 | Not asked in this country | 0 | 
                                    
                                    0%
                                 |