| Value | Category | Cases | |
|---|---|---|---|
| 3 | 1 |
4.2%
|
|
| 7 | Received as many times as supposed | 21 |
87.5%
|
| 8 | DK | 2 |
8.3%
|
| 9 | Missing | 0 |
0%
|
| Sysmiss | 409 |