| Value | Category | Cases | |
|---|---|---|---|
| 1 | 1. Very often | 2 | 
                                                                 
                                    
                                    7.4%
                                 
                                                             | 
                                                        
                    
| 2 | 2. Sometimes | 13 | 
                                                                 
                                    
                                    48.1%
                                 
                                                             | 
                                                        
                    
| 4 | 4. Never | 11 | 
                                                                 
                                    
                                    40.7%
                                 
                                                             | 
                                                        
                    
| 9 | 9. Don t know | 1 | 
                                                                 
                                    
                                    3.7%
                                 
                                                             | 
                                                        
                    
| Sysmiss | 72 |