| Value | Category | Cases | |
|---|---|---|---|
| -9 | Don't know (spontaneous) | 12 | 
                                    
                                    1%
                                 | 
| -7 | No internal shipments made (does not apply) | 4 | 
                                    
                                    0.3%
                                 | 
| 0 | No losses | 1147 | 
                                    
                                    94.9%
                                 | 
| 1 | 14 | 
                                    
                                    1.2%
                                 | |
| 2 | 6 | 
                                    
                                    0.5%
                                 | |
| 3 | 5 | 
                                    
                                    0.4%
                                 | |
| 5 | 10 | 
                                    
                                    0.8%
                                 | |
| 7 | 1 | 
                                    
                                    0.1%
                                 | |
| 10 | 6 | 
                                    
                                    0.5%
                                 | |
| 15 | 2 | 
                                    
                                    0.2%
                                 | |
| 33 | 1 | 
                                    
                                    0.1%
                                 | |
| 70 | 1 | 
                                    
                                    0.1%
                                 | |
| Sysmiss | 30 |