| Value | Category | Cases | |
|---|---|---|---|
| -9 | Don't know (spontaneous) | 7 |
1%
|
| -7 | No internal shipments made (does not apply) | 30 |
4.4%
|
| 0 | No losses | 622 |
91.6%
|
| 1 | 11 |
1.6%
|
|
| 2 | 5 |
0.7%
|
|
| 5 | 3 |
0.4%
|
|
| 100 | 1 |
0.1%
|
|
| Sysmiss | 276 |