| Value | Category | Cases | |
|---|---|---|---|
| 0 | 0=Never | 0 | 
                                    
                                    0%
                                 | 
| 1 | Rarely | 0 | 
                                    
                                    0%
                                 | 
| 2 | Sometimes | 11 | 
                                    
                                    55%
                                 | 
| 3 | Always | 9 | 
                                    
                                    45%
                                 | 
| Sysmiss | 111 |