| Value | Category | Cases | |
|---|---|---|---|
| 0 | 6 |
2.7%
|
|
| 1 | 42 |
19.2%
|
|
| 2 | 35 |
16%
|
|
| 3 | 54 |
24.7%
|
|
| 4 | 37 |
16.9%
|
|
| 5 | 27 |
12.3%
|
|
| 6 | 18 |
8.2%
|
|
| Sysmiss | 87 |