| Value | Category | Cases | |
|---|---|---|---|
| 1 | industry | 1852 |
33.7%
|
| 2 | construction | 341 |
6.2%
|
| 3 | internal trade | 1589 |
28.9%
|
| 4 | services | 1095 |
19.9%
|
| 5 | transport,storage, and comunication | 556 |
10.1%
|
| Sysmiss | 66 |