| Value | Category |
|---|---|
| 0 | Self-employed |
| 1 | Work for other households |
| 2 | Government agencies., police, military |
| 3 | Communist party, social organization |
| 4 | State owned enterprises |
| 5 | Other state economic sector |
| 6 | Collective economic sector |
| 7 | Private capitalist economic sector |
| 8 | State capitalist economic sector |
| 9 | Foreign shared enterprise |
| Sysmiss |