| Value | Category | Cases | |
|---|---|---|---|
| 1 | Traffic | 1062 |
16.1%
|
| 2 | Planes | 14 |
0.2%
|
| 3 | Queries and stone cutting | 61 |
0.9%
|
| 4 | Construction | 75 |
1.1%
|
| 5 | Industrial activities | 204 |
3.1%
|
| 6 | Others (specify | 61 |
0.9%
|
| 7 | population crowding | 417 |
6.3%
|
| Sysmiss | 4714 |