| Value | Category | Cases | |
|---|---|---|---|
| 1 | no | 1526 |
92.3%
|
| 2 | yes | 122 |
7.4%
|
| 8 | don't know | 4 |
0.2%
|
| 9 | refused | 1 |
0.1%
|
| Sysmiss | 3252 |