| Value | Category |
|---|---|
| 1 | Officials of Gov't. & Special-Interest Organizations |
| 2 | Professionals |
| 3 | Technicians & Associate Professionals |
| 4 | Clerk |
| 5 | Service Workers & Shop & Mkt. Sales Workers |
| 6 | Farmers, Forestry Workers & Fishermen |
| 7 | Trades & Related Workers |
| 8 | Plant & Machine Operators & Assemblers |
| 9 | Laborers & Unskilled Workers |