| Value | Category | Cases | |
|---|---|---|---|
| 1 | no | 7 |
1.4%
|
| 2 | yes | 481 |
96.2%
|
| 3 | refuse | 1 |
0.2%
|
| 4 | I don’t know | 11 |
2.2%
|
| Sysmiss | 79 |