| Value | Category | Cases | |
|---|---|---|---|
| 0 | 4 | 
                                    
                                    0%
                                 | |
| 150 | 1 | 
                                    
                                    0%
                                 | |
| 300 | 1 | 
                                    
                                    0%
                                 | |
| 400 | 1 | 
                                    
                                    0%
                                 | |
| 450 | 1 | 
                                    
                                    0%
                                 | |
| 500 | 9 | 
                                    
                                    0%
                                 | |
| 700 | 2 | 
                                    
                                    0%
                                 | |
| 800 | 4 | 
                                    
                                    0%
                                 | |
| 1000 | 3 | 
                                    
                                    0%
                                 | |
| 1200 | 2 | 
                                    
                                    0%
                                 | |
| 1400 | 1 | 
                                    
                                    0%
                                 | |
| 1500 | 3 | 
                                    
                                    0%
                                 | |
| 2000 | 7 | 
                                    
                                    0%
                                 | |
| 2400 | 1 | 
                                    
                                    0%
                                 | |
| 2500 | 2 | 
                                    
                                    0%
                                 | |
| 2800 | 1 | 
                                    
                                    0%
                                 | |
| 3000 | 3 | 
                                    
                                    0%
                                 | |
| 3500 | 1 | 
                                    
                                    0%
                                 | |
| 4000 | 2 | 
                                    
                                    0%
                                 | |
| 5000 | 6 | 
                                    
                                    0%
                                 | |
| 6000 | 1 | 
                                    
                                    0%
                                 | |
| 10000 | 2 | 
                                    
                                    0%
                                 | |
| 12000 | 1 | 
                                    
                                    0%
                                 | |
| 15000 | 1 | 
                                    
                                    0%
                                 | |
| 50000 | 1 | 
                                    
                                    0%
                                 | |
| z | Not applicable | 37406 | 
                                    
                                    93%
                                 | 
| d | Inconsistency set to missing | 2761 | 
                                    
                                    6.9%
                                 | 
| a | Don't know | 4 | 
                                    
                                    0%
                                 | 
| b | Refused to answer | 3 | 
                                    
                                    0%
                                 |