| Value | Category | Cases | |
|---|---|---|---|
| -9 | Don't know (spontaneous) | 8 | 
                                    
                                    4.1%
                                 | 
| 0 | 165 | 
                                    
                                    83.8%
                                 | |
| 7000 | 1 | 
                                    
                                    0.5%
                                 | |
| 10000 | 2 | 
                                    
                                    1%
                                 | |
| 15000 | 1 | 
                                    
                                    0.5%
                                 | |
| 25000 | 1 | 
                                    
                                    0.5%
                                 | |
| 30000 | 1 | 
                                    
                                    0.5%
                                 | |
| 50000 | 1 | 
                                    
                                    0.5%
                                 | |
| 60000 | 1 | 
                                    
                                    0.5%
                                 | |
| 70000 | 2 | 
                                    
                                    1%
                                 | |
| 72000 | 1 | 
                                    
                                    0.5%
                                 | |
| 100000 | 1 | 
                                    
                                    0.5%
                                 | |
| 120000 | 2 | 
                                    
                                    1%
                                 | |
| 150000 | 1 | 
                                    
                                    0.5%
                                 | |
| 200000 | 1 | 
                                    
                                    0.5%
                                 | |
| 250000 | 2 | 
                                    
                                    1%
                                 | |
| 300000 | 1 | 
                                    
                                    0.5%
                                 | |
| 320000 | 1 | 
                                    
                                    0.5%
                                 | |
| 400000 | 1 | 
                                    
                                    0.5%
                                 | |
| 700000 | 1 | 
                                    
                                    0.5%
                                 | |
| 900000 | 1 | 
                                    
                                    0.5%
                                 | |
| 1000000 | 1 | 
                                    
                                    0.5%
                                 | |
| Sysmiss | 448 |