| Value | Category |
|---|---|
| 1 | agriculture |
| 2 | mining |
| 3 | manufacturing |
| 4 | professional/scientific/technical activities |
| 5 | electricty/water/gas/waste |
| 6 | construction |
| 7 | transportation |
| 8 | buying and selling |
| 9 | financial/insurance/real estate services |
| 10 | personal services |
| 11 | education |
| 12 | health |
| 13 | public administration |
| 14 | other specify |
| Sysmiss |