| Value | Category | Cases | |
|---|---|---|---|
| 1 | Yes | 1941 |
62.7%
|
| 2 | No | 167 |
5.4%
|
| 3 | Never | 860 |
27.8%
|
| 4 | None avaialable | 127 |
4.1%
|
| Sysmiss | 129 |