| Value | Category | Cases | |
|---|---|---|---|
| -1 | Missing | 0 | 
                                                                 
                                    
                                    0%
                                 
                                                             | 
                                                        
                    
| 0 | No | 789 | 
                                                                 
                                    
                                    65.8%
                                 
                                                             | 
                                                        
                    
| 1 | Yes, once | 209 | 
                                                                 
                                    
                                    17.4%
                                 
                                                             | 
                                                        
                    
| 2 | Yes, twice | 95 | 
                                                                 
                                    
                                    7.9%
                                 
                                                             | 
                                                        
                    
| 3 | Yes, three or more times | 106 | 
                                                                 
                                    
                                    8.8%
                                 
                                                             | 
                                                        
                    
| 8 | Refused | 0 | 
                                                                 
                                    
                                    0%
                                 
                                                             | 
                                                        
                    
| 9 | Don't know | 1 | 
                                                                 
                                    
                                    0.1%
                                 
                                                             |