| Value | Category |
|---|---|
| -9 | don't know |
| -8 | refuse to answer |
| 1 | no single large shareholding block (multiple shareholders) |
| 2 | foreign individual/ family |
| 3 | foreign firm |
| 4 | foreign state |
| 5 | (nationality) family |
| 6 | (nationality) individual |
| 7 | (nationality) state |
| 8 | other |
| Sysmiss |