| Value | Category | 
|---|---|
| 10 | Joint state and private company | 
| 11 | Limited liability company | 
| 20 | Partnership responsible all members | 
| 21 | Partnership responsible some members | 
| 30 | Cooperative | 
| 81 | Individual engages officially registered businees which is n | 
| 82 | Individual runs unregisted businees which is not able determ | 
| 83 | Don't know | 
| Sysmiss |