| Value | Category | Cases | |
|---|---|---|---|
| 1 | NEVER | 14421 |
23.7%
|
| 2 | SOMETIMES | 30055 |
49.4%
|
| 3 | OFTEN | 16329 |
26.9%
|
| 9 | OMITTED | 0 |
0%
|
| Sysmiss | 591 |