| Value | Category | Cases | |
|---|---|---|---|
| -9 | Don't know (spontaneous) | 12 | 
                                                                 
                                    
                                    38.7%
                                 
                                                             | 
                                                        
                    
| 64 | 1 | 
                                                                 
                                    
                                    3.2%
                                 
                                                             | 
                                                        
                    |
| 200 | 1 | 
                                                                 
                                    
                                    3.2%
                                 
                                                             | 
                                                        
                    |
| 2500 | 1 | 
                                                                 
                                    
                                    3.2%
                                 
                                                             | 
                                                        
                    |
| 3000 | 3 | 
                                                                 
                                    
                                    9.7%
                                 
                                                             | 
                                                        
                    |
| 5000 | 1 | 
                                                                 
                                    
                                    3.2%
                                 
                                                             | 
                                                        
                    |
| 7000 | 1 | 
                                                                 
                                    
                                    3.2%
                                 
                                                             | 
                                                        
                    |
| 7500 | 1 | 
                                                                 
                                    
                                    3.2%
                                 
                                                             | 
                                                        
                    |
| 8000 | 2 | 
                                                                 
                                    
                                    6.5%
                                 
                                                             | 
                                                        
                    |
| 9000 | 1 | 
                                                                 
                                    
                                    3.2%
                                 
                                                             | 
                                                        
                    |
| 12000 | 1 | 
                                                                 
                                    
                                    3.2%
                                 
                                                             | 
                                                        
                    |
| 13000 | 1 | 
                                                                 
                                    
                                    3.2%
                                 
                                                             | 
                                                        
                    |
| 15000 | 2 | 
                                                                 
                                    
                                    6.5%
                                 
                                                             | 
                                                        
                    |
| 20000 | 2 | 
                                                                 
                                    
                                    6.5%
                                 
                                                             | 
                                                        
                    |
| 45000 | 1 | 
                                                                 
                                    
                                    3.2%
                                 
                                                             | 
                                                        
                    |
| Sysmiss | 119 |