| Value | Category | Cases | |
|---|---|---|---|
| 1 | no | 143 |
4.3%
|
| 2 | yes | 3145 |
95.3%
|
| 8 | don't know | 6 |
0.2%
|
| 9 | refused | 5 |
0.2%
|
| Sysmiss | 1780 |