| Value | Category | Cases | |
|---|---|---|---|
| 0 | 13 |
52%
|
|
| 1 | 1 |
4%
|
|
| 5 | 1 |
4%
|
|
| 8 | 1 |
4%
|
|
| 9 | 1 |
4%
|
|
| 10 | 3 |
12%
|
|
| 12 | 1 |
4%
|
|
| 15 | 1 |
4%
|
|
| 17 | 1 |
4%
|
|
| 18 | 1 |
4%
|
|
| 20 | 1 |
4%
|
|
| Sysmiss | 61 |