| Value | Category |
|---|---|
| 1 | An institution of central or local government |
| 2 | An enterprise belonging to the state or to a municipality |
| 3 | An NGO or humanitarian organization |
| 4 | A private company or enterprise |
| 5 | A private individual or household |
| 6 | Unknown |
| 9 | |
| Sysmiss |