| Value | Category | Cases | |
|---|---|---|---|
| 1 | Never | 1932 |
84.6%
|
| 2 | Occasionally | 222 |
9.7%
|
| 3 | Often | 73 |
3.2%
|
| 4 | Quite often | 56 |
2.5%
|
| Sysmiss | 4 |