| Value | Category | Cases | |
|---|---|---|---|
| 1 | rarely (1-2 times) | 723 |
57.5%
|
| 2 | sometimes (3-10 times) | 430 |
34.2%
|
| 3 | often (more than 10 times) | 104 |
8.3%
|
| Sysmiss | 3387 |