| Value | Category | Cases | |
|---|---|---|---|
| -9 | don't know | 19 | 
                                    
                                    24.7%
                                 | 
| -7 | does not apply | 4 | 
                                    
                                    5.2%
                                 | 
| 0 | 3 | 
                                    
                                    3.9%
                                 | |
| 100 | 1 | 
                                    
                                    1.3%
                                 | |
| 200 | 1 | 
                                    
                                    1.3%
                                 | |
| 250 | 1 | 
                                    
                                    1.3%
                                 | |
| 600 | 1 | 
                                    
                                    1.3%
                                 | |
| 1000 | 7 | 
                                    
                                    9.1%
                                 | |
| 2000 | 2 | 
                                    
                                    2.6%
                                 | |
| 2500 | 1 | 
                                    
                                    1.3%
                                 | |
| 3000 | 7 | 
                                    
                                    9.1%
                                 | |
| 3500 | 1 | 
                                    
                                    1.3%
                                 | |
| 4000 | 2 | 
                                    
                                    2.6%
                                 | |
| 5000 | 3 | 
                                    
                                    3.9%
                                 | |
| 9200 | 1 | 
                                    
                                    1.3%
                                 | |
| 10000 | 7 | 
                                    
                                    9.1%
                                 | |
| 15000 | 4 | 
                                    
                                    5.2%
                                 | |
| 20000 | 3 | 
                                    
                                    3.9%
                                 | |
| 25000 | 2 | 
                                    
                                    2.6%
                                 | |
| 70000 | 1 | 
                                    
                                    1.3%
                                 | |
| 100000 | 3 | 
                                    
                                    3.9%
                                 | |
| 300000 | 2 | 
                                    
                                    2.6%
                                 | |
| 500000 | 1 | 
                                    
                                    1.3%
                                 | |
| Sysmiss | 878 |