| Value | Category | Cases | |
|---|---|---|---|
| 0 | 4 |
0%
|
|
| 1 | yes | 10189 |
6.4%
|
| 2 | no | 141716 |
88.6%
|
| 3 | dk | 8057 |
5%
|
| 4 | 5 |
0%
|
|
| 6 | 1 |
0%
|
|
| 9 | 15 |
0%
|
|
| Sysmiss | 2 |