| Value | Category | Cases | Weighted | |
|---|---|---|---|---|
| 1 | Wastewater | 244 | 246 |
9.1%
|
| 2 | Dumping site | 143 | 140 |
5.1%
|
| 3 | Public restrooms | 2 | 3 |
0.1%
|
| 4 | Transportation | 6 | 7 |
0.2%
|
| 5 | Agricultural wastes | 324 | 303 |
11.1%
|
| 6 | Industrial activities | 8 | 10 |
0.4%
|
| 7 | Other | 12 | 10 |
0.4%
|
| Sysmiss | 1975 | 1997 |