| Value | Category | Cases | |
|---|---|---|---|
| -9 | Don't know (spontaneous) | 0 | 
                                                                 
                                    
                                    0%
                                 
                                                             | 
                                                        
                    
| 12 | 1 | 
                                                                 
                                    
                                    3.7%
                                 
                                                             | 
                                                        
                    |
| 15 | 1 | 
                                                                 
                                    
                                    3.7%
                                 
                                                             | 
                                                        
                    |
| 200 | 2 | 
                                                                 
                                    
                                    7.4%
                                 
                                                             | 
                                                        
                    |
| 300 | 2 | 
                                                                 
                                    
                                    7.4%
                                 
                                                             | 
                                                        
                    |
| 500 | 2 | 
                                                                 
                                    
                                    7.4%
                                 
                                                             | 
                                                        
                    |
| 1000 | 3 | 
                                                                 
                                    
                                    11.1%
                                 
                                                             | 
                                                        
                    |
| 1500 | 4 | 
                                                                 
                                    
                                    14.8%
                                 
                                                             | 
                                                        
                    |
| 2000 | 1 | 
                                                                 
                                    
                                    3.7%
                                 
                                                             | 
                                                        
                    |
| 3000 | 1 | 
                                                                 
                                    
                                    3.7%
                                 
                                                             | 
                                                        
                    |
| 3500 | 1 | 
                                                                 
                                    
                                    3.7%
                                 
                                                             | 
                                                        
                    |
| 5000 | 1 | 
                                                                 
                                    
                                    3.7%
                                 
                                                             | 
                                                        
                    |
| 7000 | 1 | 
                                                                 
                                    
                                    3.7%
                                 
                                                             | 
                                                        
                    |
| 8000 | 1 | 
                                                                 
                                    
                                    3.7%
                                 
                                                             | 
                                                        
                    |
| 10000 | 3 | 
                                                                 
                                    
                                    11.1%
                                 
                                                             | 
                                                        
                    |
| 25000 | 2 | 
                                                                 
                                    
                                    7.4%
                                 
                                                             | 
                                                        
                    |
| 100000 | 1 | 
                                                                 
                                    
                                    3.7%
                                 
                                                             | 
                                                        
                    |
| Sysmiss | 182 |