| Value | Category | Cases | |
|---|---|---|---|
| -1 | Missing | 0 | 
                                    
                                    0%
                                 | 
| 0 | Never | 981 | 
                                    
                                    81.8%
                                 | 
| 1 | Only once | 87 | 
                                    
                                    7.3%
                                 | 
| 2 | A few times | 100 | 
                                    
                                    8.3%
                                 | 
| 3 | Often | 32 | 
                                    
                                    2.7%
                                 | 
| 8 | Refused to answer | 0 | 
                                    
                                    0%
                                 | 
| 9 | Don’t know | 0 | 
                                    
                                    0%
                                 |