| Value | Category | Cases | |
|---|---|---|---|
| -9 | don't know | 28 | 
                                    
                                    13.3%
                                 | 
| -8 | refusal | 2 | 
                                    
                                    1%
                                 | 
| 0 | 88 | 
                                    
                                    41.9%
                                 | |
| 50 | 1 | 
                                    
                                    0.5%
                                 | |
| 100 | 1 | 
                                    
                                    0.5%
                                 | |
| 150 | 1 | 
                                    
                                    0.5%
                                 | |
| 200 | 3 | 
                                    
                                    1.4%
                                 | |
| 300 | 3 | 
                                    
                                    1.4%
                                 | |
| 500 | 2 | 
                                    
                                    1%
                                 | |
| 600 | 1 | 
                                    
                                    0.5%
                                 | |
| 800 | 2 | 
                                    
                                    1%
                                 | |
| 900 | 1 | 
                                    
                                    0.5%
                                 | |
| 1000 | 12 | 
                                    
                                    5.7%
                                 | |
| 1200 | 1 | 
                                    
                                    0.5%
                                 | |
| 1500 | 4 | 
                                    
                                    1.9%
                                 | |
| 1600 | 1 | 
                                    
                                    0.5%
                                 | |
| 2000 | 9 | 
                                    
                                    4.3%
                                 | |
| 2400 | 1 | 
                                    
                                    0.5%
                                 | |
| 2500 | 1 | 
                                    
                                    0.5%
                                 | |
| 2730 | 1 | 
                                    
                                    0.5%
                                 | |
| 3000 | 5 | 
                                    
                                    2.4%
                                 | |
| 4000 | 4 | 
                                    
                                    1.9%
                                 | |
| 5000 | 12 | 
                                    
                                    5.7%
                                 | |
| 6259 | 1 | 
                                    
                                    0.5%
                                 | |
| 8000 | 1 | 
                                    
                                    0.5%
                                 | |
| 8714 | 1 | 
                                    
                                    0.5%
                                 | |
| 9200 | 1 | 
                                    
                                    0.5%
                                 | |
| 9800 | 1 | 
                                    
                                    0.5%
                                 | |
| 10000 | 3 | 
                                    
                                    1.4%
                                 | |
| 12500 | 1 | 
                                    
                                    0.5%
                                 | |
| 14655 | 1 | 
                                    
                                    0.5%
                                 | |
| 15000 | 1 | 
                                    
                                    0.5%
                                 | |
| 20000 | 4 | 
                                    
                                    1.9%
                                 | |
| 30000 | 3 | 
                                    
                                    1.4%
                                 | |
| 32000 | 1 | 
                                    
                                    0.5%
                                 | |
| 40000 | 1 | 
                                    
                                    0.5%
                                 | |
| 50000 | 2 | 
                                    
                                    1%
                                 | |
| 75000 | 1 | 
                                    
                                    0.5%
                                 | |
| 100000 | 2 | 
                                    
                                    1%
                                 | |
| 150000 | 1 | 
                                    
                                    0.5%
                                 | |
| Sysmiss | 745 |