| Value | Category | Cases | |
|---|---|---|---|
| -8 | Refused | 0 |
0%
|
| 2 | 1 |
20%
|
|
| 3 | 1 |
20%
|
|
| 10 | 1 |
20%
|
|
| 15 | 1 |
20%
|
|
| 20 | 1 |
20%
|
|
| Sysmiss | 1081 |