| Value | Category | Cases | Weighted | |
|---|---|---|---|---|
| 1 | Industrial activities | 17 | 19 |
0.7%
|
| 2 | Waste burning | 88 | 102 |
3.8%
|
| 3 | Transportation | 29 | 39 |
1.4%
|
| 4 | Construction | 2 | 3 |
0.1%
|
| 5 | Other | 47 | 48 |
1.8%
|
| Sysmiss | 2531 | 2504 |