| Value | Category | Cases | |
|---|---|---|---|
| 1 | Yes | 246 |
15.6%
|
| 2 | No | 1324 |
84.1%
|
| 3 | missing on paper form | 4 |
0.3%
|
| 4 | Paper form missing | 1 |
0.1%
|
| Sysmiss | 6 |