| Value | Category | Cases | |
|---|---|---|---|
| 0 | Never | 389 | 
                                    
                                    28.6%
                                 | 
| 1 | Once or twice | 509 | 
                                    
                                    37.4%
                                 | 
| 2 | More often | 462 | 
                                    
                                    34%
                                 |