| Value | Category | Cases | |
|---|---|---|---|
| 1 | Yes, always | 13646 |
49.4%
|
| 2 | Yes, usually | 7110 |
25.7%
|
| 3 | Yes, sometimes | 6234 |
22.6%
|
| 4 | No | 648 |
2.3%
|
| Sysmiss | 14374 |