| Value | Category |
|---|---|
| 0 | Special Occupations |
| 1 | Officials of the Government and Special Interest Organizatio |
| 2 | Professionals |
| 3 | Technicians and Associate Professionals |
| 4 | Clerks |
| 5 | Service Workers and Shop and Market Sales Workers |
| 6 | Farmers, Forestry Workers and Fishermen |
| 7 | Trades and Related Workers |
| 8 | Plant and Machine Operators and Assemblers |
| 9 | Laborers and Unskilled Workers |