| Value | Category | Cases | |
|---|---|---|---|
| 1 | Yes | 1095 |
35.4%
|
| 2 | No | 186 |
6%
|
| 3 | Never | 1660 |
53.6%
|
| 4 | None avaialable | 154 |
5%
|
| Sysmiss | 129 |