| Value | Category |
|---|---|
| 1 | 1.Legislative and senior government officials |
| 2 | 2.Professionals |
| 3 | 3.Technicians and assistant of professionals |
| 4 | 4.Administrative staff |
| 5 | 5.Business and sales workers |
| 6 | 6.Workers on agriculture and animal husbandry |
| 10 | X/00.Others |
| 789 | 7/8/9.Processing workers, crafters, machinery operators and assemblers, blue collar workers, cleaners, and related workers |
| Sysmiss |