| Value | Category | Cases | |
|---|---|---|---|
| -9 | Don't know (spontaneous) | 77 |
5.8%
|
| -7 | No internal shipments made (does not apply) | 22 |
1.6%
|
| 0 | No losses | 1077 |
80.6%
|
| 1 | 81 |
6.1%
|
|
| 2 | 33 |
2.5%
|
|
| 3 | 11 |
0.8%
|
|
| 5 | 22 |
1.6%
|
|
| 8 | 1 |
0.1%
|
|
| 10 | 7 |
0.5%
|
|
| 14 | 1 |
0.1%
|
|
| 15 | 4 |
0.3%
|
|
| 20 | 1 |
0.1%
|