| Value | Category | Cases | |
|---|---|---|---|
| 1 | Yes | 15 |
1%
|
| 2 | No | 22 |
1.4%
|
| 3 | Missing on paper | 3 |
0.2%
|
| 88 | N/A | 1535 |
97.5%
|
| Sysmiss | 6 |