| Value | Category | Cases | |
|---|---|---|---|
| 1 | NEVER | 31883 |
52.4%
|
| 2 | SOMETIMES | 21578 |
35.5%
|
| 3 | OFTEN | 7344 |
12.1%
|
| 9 | OMITTED | 0 |
0%
|
| Sysmiss | 591 |