| Value | Category | Cases | Weighted | |
|---|---|---|---|---|
| 1 | Traffic | 25 | 22 |
0.8%
|
| 2 | Planes | 7 | 5 |
0.2%
|
| 3 | Queries and stone cutting | 2 | 2 |
0.1%
|
| 4 | Construction | 80 | 71 |
2.6%
|
| 5 | Industrial activities | 47 | 56 |
2%
|
| 6 | Others/specify | 81 | 71 |
2.6%
|
| Sysmiss | 2516 | 2531 |