| Value | Category | Cases | |
|---|---|---|---|
| 1 | Yes | 18 |
3.3%
|
| 2 | No | 510 |
94.6%
|
| 3 | Don't know | 0 |
0%
|
| 9 | Missing | 11 |
2%
|
| Sysmiss | 551 |