| Value | Category | Cases | |
|---|---|---|---|
| 1 | Regularly | 138 |
3.8%
|
| 2 | Often | 307 |
8.5%
|
| 3 | Sometimes | 601 |
16.7%
|
| 4 | Rarely | 643 |
17.8%
|
| 5 | Never | 1920 |
53.2%
|
| Sysmiss | 6251 |