| Value | Category | Cases | |
|---|---|---|---|
| 0 | nr | 0 |
0%
|
| 1 | yes | 277 |
13.3%
|
| 2 | no | 1806 |
86.4%
|
| 3 | don't know | 5 |
0.2%
|
| 9 | na | 0 |
0%
|
| 12 | 1 |
0%
|
|
| 99 | 1 |
0%
|
|
| Sysmiss | 910 |