| Value | Category |
|---|---|
| 01 | Scientific, technical, professional and related workers |
| 02 | Administrative and managerial workers |
| 03 | Clerical and related workers |
| 04 | Commercial and sales workers |
| 05 | Services workers |
| 06 | Agricultural, animal husbandry, forestry workers, fishermen and hunters |
| 07 | Nonagricultural production and related workers, transport equipment operators and laborers |
| 97 | Without a profession |
| 98 | Unknown |
| 99 | NIU (not in universe) |