| Value | Category | Cases | |
|---|---|---|---|
| 1 | rarely (1-2 times) | 862 |
58.6%
|
| 2 | sometimes (3-10 times) | 491 |
33.4%
|
| 3 | often (more than 10 times) | 118 |
8%
|
| Sysmiss | 3173 |