| Value | Category | Cases | |
|---|---|---|---|
| 1 | 28 |
14.7%
|
|
| 2 | 37 |
19.4%
|
|
| 3 | 31 |
16.2%
|
|
| 4 | 34 |
17.8%
|
|
| 5 | 29 |
15.2%
|
|
| 6 | 19 |
9.9%
|
|
| 7 | 13 |
6.8%
|
|
| Sysmiss | 13 |