| Value | Category | Cases | |
|---|---|---|---|
| -9 | Don't know (spontaneous) | 21 | 
                                                                 
                                    
                                    60%
                                 
                                                             | 
                                                        
                    
| 50 | 1 | 
                                                                 
                                    
                                    2.9%
                                 
                                                             | 
                                                        
                    |
| 330 | 1 | 
                                                                 
                                    
                                    2.9%
                                 
                                                             | 
                                                        
                    |
| 630 | 1 | 
                                                                 
                                    
                                    2.9%
                                 
                                                             | 
                                                        
                    |
| 700 | 2 | 
                                                                 
                                    
                                    5.7%
                                 
                                                             | 
                                                        
                    |
| 3000 | 1 | 
                                                                 
                                    
                                    2.9%
                                 
                                                             | 
                                                        
                    |
| 3250 | 1 | 
                                                                 
                                    
                                    2.9%
                                 
                                                             | 
                                                        
                    |
| 5800 | 1 | 
                                                                 
                                    
                                    2.9%
                                 
                                                             | 
                                                        
                    |
| 7056 | 1 | 
                                                                 
                                    
                                    2.9%
                                 
                                                             | 
                                                        
                    |
| 10000 | 2 | 
                                                                 
                                    
                                    5.7%
                                 
                                                             | 
                                                        
                    |
| 11160 | 1 | 
                                                                 
                                    
                                    2.9%
                                 
                                                             | 
                                                        
                    |
| 13800 | 1 | 
                                                                 
                                    
                                    2.9%
                                 
                                                             | 
                                                        
                    |
| 49500 | 1 | 
                                                                 
                                    
                                    2.9%
                                 
                                                             | 
                                                        
                    |
| Sysmiss | 574 |