| Value | Category | Cases | |
|---|---|---|---|
| -9 | Don't know (spontaneous) | 2 | 
                                    
                                    8.3%
                                 | 
| 260 | 1 | 
                                    
                                    4.2%
                                 | |
| 266 | 1 | 
                                    
                                    4.2%
                                 | |
| 304 | 1 | 
                                    
                                    4.2%
                                 | |
| 336 | 1 | 
                                    
                                    4.2%
                                 | |
| 360 | 1 | 
                                    
                                    4.2%
                                 | |
| 384 | 1 | 
                                    
                                    4.2%
                                 | |
| 500 | 1 | 
                                    
                                    4.2%
                                 | |
| 540 | 1 | 
                                    
                                    4.2%
                                 | |
| 630 | 1 | 
                                    
                                    4.2%
                                 | |
| 700 | 2 | 
                                    
                                    8.3%
                                 | |
| 740 | 1 | 
                                    
                                    4.2%
                                 | |
| 840 | 1 | 
                                    
                                    4.2%
                                 | |
| 852 | 1 | 
                                    
                                    4.2%
                                 | |
| 1024 | 1 | 
                                    
                                    4.2%
                                 | |
| 1062 | 1 | 
                                    
                                    4.2%
                                 | |
| 1600 | 1 | 
                                    
                                    4.2%
                                 | |
| 1608 | 1 | 
                                    
                                    4.2%
                                 | |
| 1632 | 1 | 
                                    
                                    4.2%
                                 | |
| 1896 | 1 | 
                                    
                                    4.2%
                                 | |
| 4628 | 1 | 
                                    
                                    4.2%
                                 | |
| 8016 | 1 | 
                                    
                                    4.2%
                                 | |
| Sysmiss | 339 |