| Value | Category | Cases | |
|---|---|---|---|
| 1 | Always | 732 |
43.4%
|
| 2 | Sometime | 566 |
33.6%
|
| 3 | No | 310 |
18.4%
|
| 88 | 79 |
4.7%
|
|
| 99 | 54 | ||
| Sysmiss | 258 |