| Value | Category | Cases | |
|---|---|---|---|
| 0 | 12 |
48%
|
|
| 2 | 2 |
8%
|
|
| 3 | 2 |
8%
|
|
| 4 | 4 |
16%
|
|
| 6 | 1 |
4%
|
|
| 7 | 1 |
4%
|
|
| 10 | 1 |
4%
|
|
| 15 | 1 |
4%
|
|
| 20 | 1 |
4%
|
|
| Sysmiss | 529 |