| Value | Category |
|---|---|
| -99 | Don't know |
| -96 | Other |
| -95 | |
| -90 | Not specified by interviewer |
| 1 | Day |
| 2 | Trip |
| 3 | Barrel/gallon |
| 4 | Week |
| 5 | Month |
| 6 | Year |
| 7 | 5 liter of mineral water |
| 8 | Container |
| 9 | Container (16L) |
| 10 | Container (20L) |
| 11 | Container (5 gal) |
| 12 | Cubic meter |
| 13 | Every 15 days |
| 14 | Jug |
| 15 | Not the same |
| 16 | Not the same, depends on the needs |