| Value | Category | Cases | |
|---|---|---|---|
| 1 | rarely (1-2 times) | 621 |
62.3%
|
| 2 | sometimes (3-10 times) | 320 |
32.1%
|
| 3 | often (more than 10 times) | 55 |
5.5%
|
| Sysmiss | 3648 |