| Value | Category | Cases | |
|---|---|---|---|
| 0 | 0. Never | 2129 |
70.1%
|
| 2 | 2. Sometimes | 819 |
27%
|
| 4 | 4. Often | 58 |
1.9%
|
| 6 | 6. Very often | 29 |
1%
|
| Sysmiss | 1920 |