| Value | Category | Cases | |
|---|---|---|---|
| 1 | NEVER | 13000 |
21.4%
|
| 2 | SOMETIMES | 36363 |
59.8%
|
| 3 | OFTEN | 11442 |
18.8%
|
| 9 | OMITTED | 0 |
0%
|
| Sysmiss | 591 |