| Value | Category | Cases | |
|---|---|---|---|
| -999 | -999 | 1 |
0.3%
|
| -888 | -888 | 4 |
1%
|
| 1 | Yes, every day | 147 |
38.6%
|
| 2 | Yes, at least once per week | 36 |
9.4%
|
| 3 | Yes, at least once per month | 11 |
2.9%
|
| 4 | Do not listen | 182 |
47.8%
|
| Sysmiss | 4569 |