| Value | Category | Cases | |
|---|---|---|---|
| 1 | Yes | 9 |
1.8%
|
| 2 | No | 486 |
96.8%
|
| 3 | Don't know | 1 |
0.2%
|
| 9 | Missing | 6 |
1.2%
|
| Sysmiss | 547 |