| Value | Category | Cases | |
|---|---|---|---|
| -9 | Missing Data | 5 |
0.1%
|
| 1 | Heard and understand | 1721 |
43%
|
| 2 | Heard but don't understand | 652 |
16.3%
|
| 3 | Never heard | 1622 |
40.6%
|