| Value | Category | Cases | |
|---|---|---|---|
| 1 | Wastewater | 231 |
6.4%
|
| 2 | Landfill | 91 |
2.5%
|
| 3 | Public restrooms | 4 |
0.1%
|
| 4 | Transportation | 21 |
0.6%
|
| 5 | Agricultural waste | 315 |
8.7%
|
| 6 | Industrial activities | 28 |
0.8%
|
| 7 | Other, specify | 40 |
1.1%
|
| Sysmiss | 2877 |