| Value | Category | Cases | |
|---|---|---|---|
| 1 | Yes | 2240 |
72.4%
|
| 2 | No | 283 |
9.1%
|
| 3 | Never | 559 |
18.1%
|
| 4 | None avaialable | 13 |
0.4%
|
| Sysmiss | 129 |