| Value | Category | Cases | |
|---|---|---|---|
| 1 | radio | 6 |
15.4%
|
| 2 | tv | 4 |
10.3%
|
| 3 | pamphlet | 18 |
46.2%
|
| 4 | other | 11 |
28.2%
|
| Sysmiss | 8747 |