| Value | Category | Cases | |
|---|---|---|---|
| 1 | Nenhum / sequeiro | 646 |
47.6%
|
| 2 | Gravidade | 1 |
0.1%
|
| 3 | Manual | 14 |
1%
|
| 4 | Mecanizado / bomba | 676 |
49.9%
|
| 5 | Bombas pedestrais | 2 |
0.1%
|
| o | Other | 17 |
1.3%
|
| -9 | Outro | 0 |
0%
|
| d | Don't know | 0 |
0%
|
| r | Refused to answer | 0 |
0%
|
| Sysmiss | 3 |