| Value | Category | Cases | |
|---|---|---|---|
| 1 | Monthly | 250 |
18.3%
|
| 2 | Per two weeks | 24 |
1.8%
|
| 3 | Daily | 256 |
18.7%
|
| 4 | Per 20 liter jerrican | 471 |
34.5%
|
| 5 | 292 |
21.4%
|
|
| 6 | 49 |
3.6%
|
|
| 7 | 22 |
1.6%
|
|
| 96 | Other (specify) | 3 |
0.2%
|
| Sysmiss | 7 |