| Value | Category | Cases | |
|---|---|---|---|
| 0 | 8 |
17.4%
|
|
| 1 | 2 |
4.3%
|
|
| 3 | 11 |
23.9%
|
|
| 4 | 8 |
17.4%
|
|
| 5 | 10 |
21.7%
|
|
| 6 | 5 |
10.9%
|
|
| 7 | 2 |
4.3%
|
|
| Sysmiss | 7014 |