| Value | Category | Cases | Weighted | |
|---|---|---|---|---|
| 1 | Wastewater | 56 | 51 |
1.9%
|
| 2 | Dumping site | 95 | 92 |
3.4%
|
| 3 | Public restrooms | 2 | 2 |
0.1%
|
| 4 | Transportation | 14 | 19 |
0.7%
|
| 5 | Agricultural wastes | 59 | 57 |
2.1%
|
| 6 | Industrial activities | 5 | 3 |
0.1%
|
| 7 | Other | 10 | 9 |
0.3%
|
| Sysmiss | 2473 | 2481 |