| Value | Category | Cases | |
|---|---|---|---|
| -1 | Missing | 0 | 
                                    
                                    0%
                                 | 
| 0 | Never | 466 | 
                                    
                                    38.8%
                                 | 
| 1 | Just once or twice | 45 | 
                                    
                                    3.8%
                                 | 
| 2 | Several times | 237 | 
                                    
                                    19.8%
                                 | 
| 3 | Many times | 246 | 
                                    
                                    20.5%
                                 | 
| 4 | Always | 206 | 
                                    
                                    17.2%
                                 | 
| 9 | Don't Know | 0 | 
                                    
                                    0%
                                 | 
| 98 | Refused | 0 | 
                                    
                                    0%
                                 |