| Value | Category | Cases | |
|---|---|---|---|
| -9 | Don't know (spontaneous) | 5 |
1.2%
|
| -7 | No internal shipments made (does not apply) | 9 |
2.2%
|
| 0 | No losses | 375 |
92.8%
|
| 1 | 8 |
2%
|
|
| 2 | 1 |
0.2%
|
|
| 3 | 1 |
0.2%
|
|
| 4 | 1 |
0.2%
|
|
| 5 | 2 |
0.5%
|
|
| 10 | 2 |
0.5%
|