| Value | Category | Cases | |
|---|---|---|---|
| 1 | Yes | 1190 |
38.4%
|
| 2 | No | 202 |
6.5%
|
| 3 | Never | 1597 |
51.6%
|
| 4 | None avaialable | 106 |
3.4%
|
| Sysmiss | 129 |