| Value | Category | Cases | |
|---|---|---|---|
| 1 | 1. No effect | 28 | 
                                                                 
                                    
                                    28%
                                 
                                                             | 
                                                        
                    
| 2 | 2. Small | 22 | 
                                                                 
                                    
                                    22%
                                 
                                                             | 
                                                        
                    
| 3 | 3. Moderate | 14 | 
                                                                 
                                    
                                    14%
                                 
                                                             | 
                                                        
                    
| 4 | 4. Large | 36 | 
                                                                 
                                    
                                    36%
                                 
                                                             | 
                                                        
                    
| 9 | 9. Don't know | 0 | 
                                                                 
                                    
                                    0%
                                 
                                                             | 
                                                        
                    
| Sysmiss | 899 |