| Value | Category | Cases | |
|---|---|---|---|
| 1 | Gravity fed | 467 |
76.4%
|
| 2 | Pump | 4 |
0.7%
|
| 3 | Hand carried | 130 |
21.3%
|
| 9 | Other (specify) | 10 |
1.6%
|
| Sysmiss | 8584 |