| Value | Category |
|---|---|
| -9 | Missing |
| -8 | Don't know |
| -7 | Notappl |
| 1 | Government/government agency |
| 2 | College/University |
| 3 | Institute/Technical school |
| 4 | Private consultant |
| 5 | Private firm |
| 6 | Employer/Previous employer |
| 7 | My spouse |
| 8 | Family/friends |
| 9 | Chamber of commerce/industry Association |
| 10 | Organisation |
| 11 | Other NGO |
| 12 | Other(specify) |
| Sysmiss |