| Value | Category |
|---|---|
| 1 | from another sublocation of the same town |
| 2 | from another major town in the same district |
| 3 | from a rural area in the same district |
| 4 | from another major town in a different district |
| 5 | from a rural area in a different district |
| 6 | from another country |
| 9 | not known |