| Value | Category | Cases | |
|---|---|---|---|
| -9 | Don't know (spontaneous) | 64 | 
                                                                 
                                    
                                    61.5%
                                 
                                                             | 
                                                        
                    
| 2500 | 1 | 
                                                                 
                                    
                                    1%
                                 
                                                             | 
                                                        
                    |
| 3000 | 1 | 
                                                                 
                                    
                                    1%
                                 
                                                             | 
                                                        
                    |
| 5000 | 2 | 
                                                                 
                                    
                                    1.9%
                                 
                                                             | 
                                                        
                    |
| 6000 | 1 | 
                                                                 
                                    
                                    1%
                                 
                                                             | 
                                                        
                    |
| 10000 | 1 | 
                                                                 
                                    
                                    1%
                                 
                                                             | 
                                                        
                    |
| 12000 | 1 | 
                                                                 
                                    
                                    1%
                                 
                                                             | 
                                                        
                    |
| 15000 | 1 | 
                                                                 
                                    
                                    1%
                                 
                                                             | 
                                                        
                    |
| 25000 | 1 | 
                                                                 
                                    
                                    1%
                                 
                                                             | 
                                                        
                    |
| 30000 | 1 | 
                                                                 
                                    
                                    1%
                                 
                                                             | 
                                                        
                    |
| 40000 | 3 | 
                                                                 
                                    
                                    2.9%
                                 
                                                             | 
                                                        
                    |
| 50000 | 2 | 
                                                                 
                                    
                                    1.9%
                                 
                                                             | 
                                                        
                    |
| 70000 | 1 | 
                                                                 
                                    
                                    1%
                                 
                                                             | 
                                                        
                    |
| 100000 | 2 | 
                                                                 
                                    
                                    1.9%
                                 
                                                             | 
                                                        
                    |
| 150000 | 3 | 
                                                                 
                                    
                                    2.9%
                                 
                                                             | 
                                                        
                    |
| 180000 | 1 | 
                                                                 
                                    
                                    1%
                                 
                                                             | 
                                                        
                    |
| 200000 | 2 | 
                                                                 
                                    
                                    1.9%
                                 
                                                             | 
                                                        
                    |
| 250000 | 4 | 
                                                                 
                                    
                                    3.8%
                                 
                                                             | 
                                                        
                    |
| 300000 | 2 | 
                                                                 
                                    
                                    1.9%
                                 
                                                             | 
                                                        
                    |
| 350000 | 2 | 
                                                                 
                                    
                                    1.9%
                                 
                                                             | 
                                                        
                    |
| 500000 | 6 | 
                                                                 
                                    
                                    5.8%
                                 
                                                             | 
                                                        
                    |
| 750000 | 1 | 
                                                                 
                                    
                                    1%
                                 
                                                             | 
                                                        
                    |
| 1500000 | 1 | 
                                                                 
                                    
                                    1%
                                 
                                                             | 
                                                        
                    |
| Sysmiss | 284 |