| Value | Category | Cases | |
|---|---|---|---|
| -1 | Missing | 0 | 
                                    
                                    0%
                                 | 
| 0 | No | 903 | 
                                    
                                    75.3%
                                 | 
| 1 | Yes, once | 133 | 
                                    
                                    11.1%
                                 | 
| 2 | Yes, twice | 85 | 
                                    
                                    7.1%
                                 | 
| 3 | Yes, three or more times | 79 | 
                                    
                                    6.6%
                                 | 
| 8 | Refused | 0 | 
                                    
                                    0%
                                 | 
| 9 | Don't know | 0 | 
                                    
                                    0%
                                 |