| Value | Category | Cases | |
|---|---|---|---|
| 1 | Waste water | 40 |
1.4%
|
| 2 | Dump | 61 |
2.2%
|
| 3 | Public restrooms | 4 |
0.1%
|
| 4 | Transportation | 9 |
0.3%
|
| 5 | Agricultural wastes | 56 |
2%
|
| 6 | Industrial activities | 7 |
0.2%
|
| 7 | Others | 21 |
0.7%
|
| Sysmiss | 2635 |