| Value | Category | Cases | |
|---|---|---|---|
| 1 | Never | 113 | 
                                    
                                    56.5%
                                 | 
| 2 | Once | 42 | 
                                    
                                    21%
                                 | 
| 3 | More than once | 45 | 
                                    
                                    22.5%
                                 |