| Value | Category | Cases | |
|---|---|---|---|
| 13 | 1 |
25%
|
|
| 20 | 1 |
25%
|
|
| 21 | 1 |
25%
|
|
| 28 | 1 |
25%
|
|
| 97 | Inconsistent | 0 |
0%
|
| 98 | DK | 0 |
0%
|
| Sysmiss | 8440 |