| Value | Category | Cases | |
|---|---|---|---|
| 0 | 7 |
0.2%
|
|
| 1 | no | 162 |
5.6%
|
| 2 | yes | 2423 |
84.2%
|
| 3 | do not know | 285 |
9.9%
|
| Sysmiss | 71 |