| Value | Category | Cases | |
|---|---|---|---|
| -9 | Don't know (sponatneous) | 13 |
32.5%
|
| 1 | FCA (free carrier) | 15 |
37.5%
|
| 2 | FAS (free alongside ship) | 0 |
0%
|
| 3 | FOB Origin (free on board) | 1 |
2.5%
|
| 4 | Other | 11 |
27.5%
|
| Sysmiss | 112 |