| Value | Category | Cases | |
|---|---|---|---|
| -9 | Don't know (spontaneous) | 0 | 
                                                                 
                                    
                                    0%
                                 
                                                             | 
                                                        
                    
| 13 | 1 | 
                                                                 
                                    
                                    2.1%
                                 
                                                             | 
                                                        
                    |
| 100 | 2 | 
                                                                 
                                    
                                    4.3%
                                 
                                                             | 
                                                        
                    |
| 300 | 1 | 
                                                                 
                                    
                                    2.1%
                                 
                                                             | 
                                                        
                    |
| 400 | 2 | 
                                                                 
                                    
                                    4.3%
                                 
                                                             | 
                                                        
                    |
| 500 | 1 | 
                                                                 
                                    
                                    2.1%
                                 
                                                             | 
                                                        
                    |
| 700 | 3 | 
                                                                 
                                    
                                    6.4%
                                 
                                                             | 
                                                        
                    |
| 750 | 1 | 
                                                                 
                                    
                                    2.1%
                                 
                                                             | 
                                                        
                    |
| 1000 | 3 | 
                                                                 
                                    
                                    6.4%
                                 
                                                             | 
                                                        
                    |
| 1300 | 1 | 
                                                                 
                                    
                                    2.1%
                                 
                                                             | 
                                                        
                    |
| 1500 | 3 | 
                                                                 
                                    
                                    6.4%
                                 
                                                             | 
                                                        
                    |
| 2000 | 3 | 
                                                                 
                                    
                                    6.4%
                                 
                                                             | 
                                                        
                    |
| 2500 | 5 | 
                                                                 
                                    
                                    10.6%
                                 
                                                             | 
                                                        
                    |
| 3000 | 4 | 
                                                                 
                                    
                                    8.5%
                                 
                                                             | 
                                                        
                    |
| 3700 | 1 | 
                                                                 
                                    
                                    2.1%
                                 
                                                             | 
                                                        
                    |
| 4000 | 2 | 
                                                                 
                                    
                                    4.3%
                                 
                                                             | 
                                                        
                    |
| 5000 | 5 | 
                                                                 
                                    
                                    10.6%
                                 
                                                             | 
                                                        
                    |
| 6000 | 1 | 
                                                                 
                                    
                                    2.1%
                                 
                                                             | 
                                                        
                    |
| 7000 | 1 | 
                                                                 
                                    
                                    2.1%
                                 
                                                             | 
                                                        
                    |
| 10000 | 4 | 
                                                                 
                                    
                                    8.5%
                                 
                                                             | 
                                                        
                    |
| 30500 | 1 | 
                                                                 
                                    
                                    2.1%
                                 
                                                             | 
                                                        
                    |
| 100000 | 2 | 
                                                                 
                                    
                                    4.3%
                                 
                                                             | 
                                                        
                    |
| Sysmiss | 162 |