| Value | Category | Cases | |
|---|---|---|---|
| 0 | nr | 0 |
0%
|
| 1 | yes | 511 |
24.4%
|
| 2 | no | 1578 |
75.4%
|
| 3 | don't know | 4 |
0.2%
|
| 9 | na | 0 |
0%
|
| 10 | 1 |
0%
|
|
| Sysmiss | 906 |