| Value | Category | Cases | |
|---|---|---|---|
| -9 | -9. Don't know | 0 | 
                                                                 
                                    
                                    0%
                                 
                                                             | 
                                                        
                    
| -8 | -8. Refused | 4 | 
                                                                 
                                    
                                    13.3%
                                 
                                                             | 
                                                        
                    
| -5 | -5. Unpaid | 1 | 
                                                                 
                                    
                                    3.3%
                                 
                                                             | 
                                                        
                    
| 300 | 1 | 
                                                                 
                                    
                                    3.3%
                                 
                                                             | 
                                                        
                    |
| 400 | 2 | 
                                                                 
                                    
                                    6.7%
                                 
                                                             | 
                                                        
                    |
| 750 | 1 | 
                                                                 
                                    
                                    3.3%
                                 
                                                             | 
                                                        
                    |
| 1000 | 1 | 
                                                                 
                                    
                                    3.3%
                                 
                                                             | 
                                                        
                    |
| 1080 | 1 | 
                                                                 
                                    
                                    3.3%
                                 
                                                             | 
                                                        
                    |
| 1200 | 1 | 
                                                                 
                                    
                                    3.3%
                                 
                                                             | 
                                                        
                    |
| 1500 | 1 | 
                                                                 
                                    
                                    3.3%
                                 
                                                             | 
                                                        
                    |
| 1600 | 3 | 
                                                                 
                                    
                                    10%
                                 
                                                             | 
                                                        
                    |
| 2000 | 3 | 
                                                                 
                                    
                                    10%
                                 
                                                             | 
                                                        
                    |
| 2200 | 2 | 
                                                                 
                                    
                                    6.7%
                                 
                                                             | 
                                                        
                    |
| 2800 | 1 | 
                                                                 
                                    
                                    3.3%
                                 
                                                             | 
                                                        
                    |
| 3000 | 2 | 
                                                                 
                                    
                                    6.7%
                                 
                                                             | 
                                                        
                    |
| 4000 | 2 | 
                                                                 
                                    
                                    6.7%
                                 
                                                             | 
                                                        
                    |
| 5000 | 1 | 
                                                                 
                                    
                                    3.3%
                                 
                                                             | 
                                                        
                    |
| 5600 | 1 | 
                                                                 
                                    
                                    3.3%
                                 
                                                             | 
                                                        
                    |
| 5800 | 1 | 
                                                                 
                                    
                                    3.3%
                                 
                                                             | 
                                                        
                    |
| 6500 | 1 | 
                                                                 
                                    
                                    3.3%
                                 
                                                             | 
                                                        
                    |
| Sysmiss | 969 |