| Value | Category | Cases | |
|---|---|---|---|
| -9 | Don't know (spontaneous) | 15 |
0.9%
|
| -7 | No internal shipments made (does not apply) | 63 |
3.8%
|
| 0 | No losses | 1552 |
93.3%
|
| 1 | 9 |
0.5%
|
|
| 2 | 6 |
0.4%
|
|
| 3 | 4 |
0.2%
|
|
| 5 | 8 |
0.5%
|
|
| 7 | 1 |
0.1%
|
|
| 10 | 3 |
0.2%
|
|
| 15 | 2 |
0.1%
|