| Value | Category |
|---|---|
| 01 | Under 300 |
| 02 | 300 to under 500 |
| 03 | 500 to under 800 |
| 04 | 800 to under 1200 |
| 05 | 1200 to under 1800 |
| 06 | 1800 to under 2500 |
| 07 | 2500 and more |
| 08 | Self-employed farmers |
| 09 | Unpaid family worker on farm |
| 10 | Unpaid family worker outside farm |
| 11 | Foreigner |
| 99 | NIU (not in universe) |