| Value | Category | Cases | |
|---|---|---|---|
| 1 | rarely (1 or 2 times) | 40 |
47.6%
|
| 2 | sometimes (3 - 10 times) | 29 |
34.5%
|
| 3 | often (more than 10 times) | 11 |
13.1%
|
| 98 | don't know | 1 |
1.2%
|
| 99 | refused | 3 |
3.6%
|
| Sysmiss | 2587 |