| Value | Category | Cases | |
|---|---|---|---|
| -9 | Don't know (spontaneous) | 3 |
0.5%
|
| -7 | No internal shipments made (does not apply) | 396 |
65.9%
|
| 0 | No losses | 174 |
29%
|
| 1 | 14 |
2.3%
|
|
| 2 | 2 |
0.3%
|
|
| 5 | 5 |
0.8%
|
|
| 6 | 1 |
0.2%
|
|
| 7 | 1 |
0.2%
|
|
| 10 | 2 |
0.3%
|
|
| 15 | 1 |
0.2%
|
|
| 60 | 1 |
0.2%
|
|
| 90 | 1 |
0.2%
|