| Value | Category | Cases | |
|---|---|---|---|
| 1 | Yes, always | 15050 |
54.5%
|
| 2 | Yes, usually | 6583 |
23.8%
|
| 3 | Yes, sometimes | 5609 |
20.3%
|
| 4 | No | 396 |
1.4%
|
| Sysmiss | 14374 |