| Value | Category | Cases | |
|---|---|---|---|
| 1 | Waste water | 247 |
8.7%
|
| 2 | Dump | 178 |
6.3%
|
| 3 | Public restrooms | 3 |
0.1%
|
| 4 | Transportation | 4 |
0.1%
|
| 5 | Agricultural wastes | 161 |
5.7%
|
| 6 | Industrial activities | 14 |
0.5%
|
| 7 | Others | 36 |
1.3%
|
| Sysmiss | 2190 |