| Value | Category | Cases | |
|---|---|---|---|
| -9 | Don't know (spontaneous) | 12 | 
                                                                 
                                    
                                    15%
                                 
                                                             | 
                                                        
                    
| 0 | 1 | 
                                                                 
                                    
                                    1.3%
                                 
                                                             | 
                                                        
                    |
| 1 | 13 | 
                                                                 
                                    
                                    16.3%
                                 
                                                             | 
                                                        
                    |
| 20 | 5 | 
                                                                 
                                    
                                    6.3%
                                 
                                                             | 
                                                        
                    |
| 25 | 3 | 
                                                                 
                                    
                                    3.8%
                                 
                                                             | 
                                                        
                    |
| 34 | 1 | 
                                                                 
                                    
                                    1.3%
                                 
                                                             | 
                                                        
                    |
| 40 | 1 | 
                                                                 
                                    
                                    1.3%
                                 
                                                             | 
                                                        
                    |
| 50 | 1 | 
                                                                 
                                    
                                    1.3%
                                 
                                                             | 
                                                        
                    |
| 60 | 1 | 
                                                                 
                                    
                                    1.3%
                                 
                                                             | 
                                                        
                    |
| 100 | 1 | 
                                                                 
                                    
                                    1.3%
                                 
                                                             | 
                                                        
                    |
| 130 | 1 | 
                                                                 
                                    
                                    1.3%
                                 
                                                             | 
                                                        
                    |
| 150 | 1 | 
                                                                 
                                    
                                    1.3%
                                 
                                                             | 
                                                        
                    |
| 180 | 1 | 
                                                                 
                                    
                                    1.3%
                                 
                                                             | 
                                                        
                    |
| 200 | 2 | 
                                                                 
                                    
                                    2.5%
                                 
                                                             | 
                                                        
                    |
| 250 | 2 | 
                                                                 
                                    
                                    2.5%
                                 
                                                             | 
                                                        
                    |
| 300 | 3 | 
                                                                 
                                    
                                    3.8%
                                 
                                                             | 
                                                        
                    |
| 360 | 1 | 
                                                                 
                                    
                                    1.3%
                                 
                                                             | 
                                                        
                    |
| 400 | 7 | 
                                                                 
                                    
                                    8.8%
                                 
                                                             | 
                                                        
                    |
| 420 | 3 | 
                                                                 
                                    
                                    3.8%
                                 
                                                             | 
                                                        
                    |
| 500 | 1 | 
                                                                 
                                    
                                    1.3%
                                 
                                                             | 
                                                        
                    |
| 600 | 10 | 
                                                                 
                                    
                                    12.5%
                                 
                                                             | 
                                                        
                    |
| 700 | 1 | 
                                                                 
                                    
                                    1.3%
                                 
                                                             | 
                                                        
                    |
| 1000 | 1 | 
                                                                 
                                    
                                    1.3%
                                 
                                                             | 
                                                        
                    |
| 1200 | 1 | 
                                                                 
                                    
                                    1.3%
                                 
                                                             | 
                                                        
                    |
| 2000 | 1 | 
                                                                 
                                    
                                    1.3%
                                 
                                                             | 
                                                        
                    |
| 2500 | 1 | 
                                                                 
                                    
                                    1.3%
                                 
                                                             | 
                                                        
                    |
| 3000 | 2 | 
                                                                 
                                    
                                    2.5%
                                 
                                                             | 
                                                        
                    |
| 5000 | 1 | 
                                                                 
                                    
                                    1.3%
                                 
                                                             | 
                                                        
                    |
| 8000 | 1 | 
                                                                 
                                    
                                    1.3%
                                 
                                                             | 
                                                        
                    |
| Sysmiss | 34 |