| Value | Category |
|---|---|
| 1 | Manufacturing |
| 2 | Trade |
| 3 | Services |
| 4 | Agriculture |
| 5 | Other |
| 6 | Trade and Services |
| 7 | Construction |
| 8 | Services and Construction |
| 9 | Construction and Maintenance |
| 10 | Services and Construction |
| 11 | Trade and manufacturing |
| 12 | Trade, Mining and Transport |
| 13 | Trade, Manufacturing and Services |
| 14 | Services and Consultancy |
| 888 | Don't know |