| Value | Category | Cases | |
|---|---|---|---|
| 0 | 5 | 
                                                                 
                                    
                                    38.5%
                                 
                                                             | 
                                                        
                    |
| 0.5 | 1 | 
                                                                 
                                    
                                    7.7%
                                 
                                                             | 
                                                        
                    |
| 8 | 1 | 
                                                                 
                                    
                                    7.7%
                                 
                                                             | 
                                                        
                    |
| 10 | 2 | 
                                                                 
                                    
                                    15.4%
                                 
                                                             | 
                                                        
                    |
| 20 | 1 | 
                                                                 
                                    
                                    7.7%
                                 
                                                             | 
                                                        
                    |
| 30 | 2 | 
                                                                 
                                    
                                    15.4%
                                 
                                                             | 
                                                        
                    |
| 40 | 1 | 
                                                                 
                                    
                                    7.7%
                                 
                                                             | 
                                                        
                    |
| Sysmiss | don't know | 0 | |
| Sysmiss | refusal | 0 | |
| Sysmiss | 2 |