| Value | Category | Cases | |
|---|---|---|---|
| 1 | often | 23 |
0.5%
|
| 2 | sometimes | 418 |
8.9%
|
| 3 | never | 4238 |
90.6%
|
| 9 | no answer | 0 |
0%
|
| Sysmiss | 6101 |