| Value | Category | Cases | |
|---|---|---|---|
| 1 | NEVER | 41279 |
67.9%
|
| 2 | SOMETIMES | 13769 |
22.6%
|
| 3 | OFTEN | 5757 |
9.5%
|
| 9 | OMITTED | 0 |
0%
|
| Sysmiss | 591 |