| Value | Category | Cases | |
|---|---|---|---|
| 1 | Traffic | 428 |
15.1%
|
| 2 | Planes | 0 |
0%
|
| 3 | Queries and stone cutting | 8 |
0.3%
|
| 4 | Construction | 38 |
1.3%
|
| 5 | Industrial activities | 36 |
1.3%
|
| 6 | Others | 105 |
3.7%
|
| Sysmiss | 2218 |