| Value | Category |
|---|---|
| 10 | NR |
| 11 | farming household: within the sample village(for rural areas |
| 12 | other rural areas |
| 13 | other rural households |
| 14 | urban households(for rural areas) |
| 19 | others(for rural areas) |
| 20 | NR |
| 21 | farming household: within the sample town(for urban areas) |
| 22 | other urban areas(for urban areas) |
| 23 | other urban households |
| 24 | rural households (for urban areas) |
| 29 | others (for urban areas) |