| Value | Category | Cases | |
|---|---|---|---|
| 1 | NEVER | 19257 |
31.7%
|
| 2 | SOMETIMES | 30668 |
50.4%
|
| 3 | OFTEN | 10880 |
17.9%
|
| 9 | OMITTED | 0 |
0%
|
| Sysmiss | 591 |