| Value | Category | Cases | |
|---|---|---|---|
| 0 | No | 2303 |
93.2%
|
| 1 | Yes | 81 |
3.3%
|
| 8 | Don't know | 86 |
3.5%
|
| 9 | Missing | 45 | |
| Sysmiss | 154317 |