| Value | Category | Cases | |
|---|---|---|---|
| 1 | radio | 40 |
10.6%
|
| 2 | tv | 307 |
81%
|
| 3 | pamphlet | 7 |
1.8%
|
| 4 | other | 25 |
6.6%
|
| Sysmiss | 8407 |