| Value | Category | Cases | |
|---|---|---|---|
| 1 | Yes | 1197 |
38.7%
|
| 2 | No | 81 |
2.6%
|
| 3 | Never | 1776 |
57.4%
|
| 4 | None avaialable | 41 |
1.3%
|
| Sysmiss | 129 |