| Value | Category |
|---|---|
| 1 | administrator,director,manager |
| 2 | tech specialist, professional |
| 3 | intermediate professional |
| 4 | office clerk, cashier |
| 5 | salesperson, service worker |
| 6 | farmer,fisher,hunter, skilled agric |
| 7 | trade, craft, artisan |
| 8 | plant/machine operator |
| 9 | unskilled labor |
| Sysmiss |