| Value | Category | Cases | |
|---|---|---|---|
| 0 | 3 |
3.8%
|
|
| 1 | 9 |
11.4%
|
|
| 2 | 14 |
17.7%
|
|
| 3 | 15 |
19%
|
|
| 4 | 17 |
21.5%
|
|
| 5 | 7 |
8.9%
|
|
| 6 | 14 |
17.7%
|
|
| Sysmiss | 920 |