| Value | Category | Cases | |
|---|---|---|---|
| 0 | 41 |
13.9%
|
|
| 1 | 85 |
28.9%
|
|
| 2 | 90 |
30.6%
|
|
| 3 | 37 |
12.6%
|
|
| 4 | 18 |
6.1%
|
|
| 5 | 8 |
2.7%
|
|
| Sysmiss | 15 |