| Value | Category | Cases | |
|---|---|---|---|
| -9 | Don't know (spontaneous) | 9 | 
                                    
                                    1.4%
                                 | 
| -7 | No internal shipments made (does not apply) | 2 | 
                                    
                                    0.3%
                                 | 
| 0 | No losses | 556 | 
                                    
                                    85.7%
                                 | 
| 1 | 48 | 
                                    
                                    7.4%
                                 | |
| 2 | 13 | 
                                    
                                    2%
                                 | |
| 3 | 3 | 
                                    
                                    0.5%
                                 | |
| 4 | 1 | 
                                    
                                    0.2%
                                 | |
| 5 | 8 | 
                                    
                                    1.2%
                                 | |
| 6 | 1 | 
                                    
                                    0.2%
                                 | |
| 10 | 7 | 
                                    
                                    1.1%
                                 | |
| 50 | 1 | 
                                    
                                    0.2%
                                 | |
| Sysmiss | 306 |