| Value | Category | Cases | |
|---|---|---|---|
| 1 | Yes, always | 12182 |
44.1%
|
| 2 | Yes, usually | 6602 |
23.9%
|
| 3 | Yes, sometimes | 7142 |
25.8%
|
| 4 | No | 1712 |
6.2%
|
| Sysmiss | 14374 |