| Value | Category | Cases | |
|---|---|---|---|
| 1 | Rarely (once or twice) | 159 |
18.4%
|
| 2 | Sometimes (3 to 10 times) | 480 |
55.5%
|
| 3 | Often (more than 10 times) | 226 |
26.1%
|
| Sysmiss | 327 |