| Value | Category | Cases | |
|---|---|---|---|
| -9 | Don't know (spontaneous) | 5 |
0.7%
|
| -7 | No internal shipments made (does not apply) | 188 |
24.7%
|
| 0 | No losses | 479 |
63%
|
| 1 | 38 |
5%
|
|
| 2 | 30 |
3.9%
|
|
| 3 | 4 |
0.5%
|
|
| 4 | 2 |
0.3%
|
|
| 5 | 8 |
1.1%
|
|
| 7 | 1 |
0.1%
|
|
| 10 | 4 |
0.5%
|
|
| 15 | 1 |
0.1%
|