| Value | Category | Cases | |
|---|---|---|---|
| 0 | nr | 0 |
0%
|
| 1 | yes | 82 |
4.3%
|
| 2 | no | 1799 |
93.6%
|
| 3 | don't know | 39 |
2%
|
| 4 | 1 |
0.1%
|
|
| 9 | na | 0 |
0%
|
| Sysmiss | 1079 |