| Value | Category | Cases | |
|---|---|---|---|
| 1 | Yes, always | 12150 |
44%
|
| 2 | Yes, usually | 6894 |
24.9%
|
| 3 | Yes, sometimes | 7654 |
27.7%
|
| 4 | No | 940 |
3.4%
|
| Sysmiss | 14374 |