| Value | Category | Cases | |
|---|---|---|---|
| 1 | Construction works | 136 |
4.5%
|
| 2 | Traffic | 209 |
7%
|
| 3 | Industrial activities | 55 |
1.8%
|
| 4 | Burning garbage | 0 |
0%
|
| 5 | Waste water | 0 |
0%
|
| 6 | Other | 25 |
0.8%
|
| Sysmiss | 2577 |