| Value | Category | Cases | |
|---|---|---|---|
| 1 | shop, supermarket | 23968 |
84.2%
|
| 2 | open market | 1569 |
5.5%
|
| 3 | salt pan | 1047 |
3.7%
|
| 6 | other | 1724 |
6.1%
|
| 8 | don't know | 169 |
0.6%
|
| Sysmiss | 3198 |