| Value | Category | Cases | |
|---|---|---|---|
| 1 | Never | 1751 |
59.9%
|
| 2 | Seldom | 452 |
15.5%
|
| 3 | Occasionally | 459 |
15.7%
|
| 4 | Often | 149 |
5.1%
|
| 8 | Cannot choose | 111 |
3.8%
|
| Sysmiss | 17 |