| Value | Category | Cases | |
|---|---|---|---|
| 0 | 1 |
7.1%
|
|
| 4 | 1 |
7.1%
|
|
| 9 | 1 |
7.1%
|
|
| 20 | 1 |
7.1%
|
|
| 28 | 1 |
7.1%
|
|
| 40 | 1 |
7.1%
|
|
| 56 | 1 |
7.1%
|
|
| 99 | REFUSED | 7 |
50%
|
| Sysmiss | 9615 |