| Value | Category |
|---|---|
| 0 | |
| 1 | Other household |
| 2 | Government admin., police, military |
| 3 | Communist party, social organization |
| 4 | State enterprise |
| 5 | Other economic state sector |
| 6 | Collective economic sector |
| 7 | Private capitalist economic sector |
| 8 | State capitalist economic sector |
| 9 | Foreign shared economic sector |