| Value | Category | Cases | |
|---|---|---|---|
| -9 | Don't know (spontaneous) | 5 | 
                                                                 
                                    
                                    11.9%
                                 
                                                             | 
                                                        
                    
| 5 | 1 | 
                                                                 
                                    
                                    2.4%
                                 
                                                             | 
                                                        
                    |
| 10 | 1 | 
                                                                 
                                    
                                    2.4%
                                 
                                                             | 
                                                        
                    |
| 25 | 4 | 
                                                                 
                                    
                                    9.5%
                                 
                                                             | 
                                                        
                    |
| 40 | 1 | 
                                                                 
                                    
                                    2.4%
                                 
                                                             | 
                                                        
                    |
| 50 | 2 | 
                                                                 
                                    
                                    4.8%
                                 
                                                             | 
                                                        
                    |
| 70 | 1 | 
                                                                 
                                    
                                    2.4%
                                 
                                                             | 
                                                        
                    |
| 80 | 2 | 
                                                                 
                                    
                                    4.8%
                                 
                                                             | 
                                                        
                    |
| 100 | 4 | 
                                                                 
                                    
                                    9.5%
                                 
                                                             | 
                                                        
                    |
| 125 | 1 | 
                                                                 
                                    
                                    2.4%
                                 
                                                             | 
                                                        
                    |
| 140 | 1 | 
                                                                 
                                    
                                    2.4%
                                 
                                                             | 
                                                        
                    |
| 150 | 2 | 
                                                                 
                                    
                                    4.8%
                                 
                                                             | 
                                                        
                    |
| 170 | 1 | 
                                                                 
                                    
                                    2.4%
                                 
                                                             | 
                                                        
                    |
| 180 | 1 | 
                                                                 
                                    
                                    2.4%
                                 
                                                             | 
                                                        
                    |
| 200 | 3 | 
                                                                 
                                    
                                    7.1%
                                 
                                                             | 
                                                        
                    |
| 250 | 3 | 
                                                                 
                                    
                                    7.1%
                                 
                                                             | 
                                                        
                    |
| 300 | 2 | 
                                                                 
                                    
                                    4.8%
                                 
                                                             | 
                                                        
                    |
| 400 | 1 | 
                                                                 
                                    
                                    2.4%
                                 
                                                             | 
                                                        
                    |
| 530 | 1 | 
                                                                 
                                    
                                    2.4%
                                 
                                                             | 
                                                        
                    |
| 1000 | 2 | 
                                                                 
                                    
                                    4.8%
                                 
                                                             | 
                                                        
                    |
| 1500 | 1 | 
                                                                 
                                    
                                    2.4%
                                 
                                                             | 
                                                        
                    |
| 2000 | 1 | 
                                                                 
                                    
                                    2.4%
                                 
                                                             | 
                                                        
                    |
| 2750 | 1 | 
                                                                 
                                    
                                    2.4%
                                 
                                                             | 
                                                        
                    |
| Sysmiss | 114 |