| Value | Category | Cases | |
|---|---|---|---|
| -9 | Don't know (spontaneous) | 10 | 
                                    
                                    2.8%
                                 | 
| -7 | Does not apply | 6 | 
                                    
                                    1.7%
                                 | 
| 0 | No losses | 334 | 
                                    
                                    92%
                                 | 
| 1 | 11 | 
                                    
                                    3%
                                 | |
| 2 | 1 | 
                                    
                                    0.3%
                                 | |
| 3 | 1 | 
                                    
                                    0.3%
                                 | |
| Sysmiss | 592 |