| Value | Category | Cases | |
|---|---|---|---|
| -1 | Missing | 8 | 
                                                                 
                                    
                                    0.7%
                                 
                                                             | 
                                                        
                    
| 0 | Never | 711 | 
                                                                 
                                    
                                    59.3%
                                 
                                                             | 
                                                        
                    
| 1 | Just once or twice | 166 | 
                                                                 
                                    
                                    13.8%
                                 
                                                             | 
                                                        
                    
| 2 | Several times | 190 | 
                                                                 
                                    
                                    15.8%
                                 
                                                             | 
                                                        
                    
| 3 | Many times | 67 | 
                                                                 
                                    
                                    5.6%
                                 
                                                             | 
                                                        
                    
| 4 | Always | 58 | 
                                                                 
                                    
                                    4.8%
                                 
                                                             | 
                                                        
                    
| 9 | Don't Know | 0 | 
                                                                 
                                    
                                    0%
                                 
                                                             | 
                                                        
                    
| 998 | Refused | 0 | 
                                                                 
                                    
                                    0%
                                 
                                                             |