| Value | Category | Cases | |
|---|---|---|---|
| 1 | Never heard | 3004 |
75.7%
|
| 2 | Heard but do not understand | 572 |
14.4%
|
| 3 | Heard but do understand | 392 |
9.9%
|
| 99 | Not specified | 0 |
0%
|
| Sysmiss | 30 |