| Value | Category | Cases | |
|---|---|---|---|
| 1 | NEVER | 55134 |
90.7%
|
| 2 | SOMETIMES | 4402 |
7.2%
|
| 3 | OFTEN | 1269 |
2.1%
|
| 9 | OMITTED | 0 |
0%
|
| Sysmiss | 591 |