| Value | Category | Cases | |
|---|---|---|---|
| 1 | rarely (1-2 times) | 768 |
57.1%
|
| 2 | sometimes (3-10 times) | 492 |
36.6%
|
| 3 | often (more than 10 times) | 86 |
6.4%
|
| Sysmiss | 3298 |