| Value | Category | Cases | |
|---|---|---|---|
| 1 | NEVER | 14842 |
24.4%
|
| 2 | SOMETIMES | 37954 |
62.4%
|
| 3 | OFTEN | 8009 |
13.2%
|
| 9 | OMITTED | 0 |
0%
|
| Sysmiss | 591 |