| Value | Category | Cases | |
|---|---|---|---|
| -5 | Not available | 2 |
22.2%
|
| 2 | 1 |
11.1%
|
|
| 11 | 1 |
11.1%
|
|
| 13 | 1 |
11.1%
|
|
| 18 | 1 |
11.1%
|
|
| 21 | 1 |
11.1%
|
|
| 24 | 1 |
11.1%
|
|
| 28 | 1 |
11.1%
|
|
| Sysmiss | 191 |