| Value | Category |
|---|---|
| 0 | |
| 1 | For fixed money |
| 2 | For fixed produce |
| 3 | For share of produce |
| 4 | For service contract |
| 5 | For share of produce together with other terms |
| 6 | Under usufructuary mortgage |
| 7 | From relatives under no specified terms |
| 8 | |
| 9 | Under other terms |
| Sysmiss |