| Value | Category | Cases | |
|---|---|---|---|
| -9 | Don't know (spontaneous) | 15 |
5.1%
|
| -7 | No internal shipments made (does not apply) | 4 |
1.3%
|
| 0 | No losses | 267 |
89.9%
|
| 1 | 2 |
0.7%
|
|
| 2 | 1 |
0.3%
|
|
| 3 | 1 |
0.3%
|
|
| 5 | 4 |
1.3%
|
|
| 10 | 1 |
0.3%
|
|
| 13 | 1 |
0.3%
|
|
| 30 | 1 |
0.3%
|
|
| Sysmiss | 55 |