| Value | Category | Cases | |
|---|---|---|---|
| 0 | 21 |
9.9%
|
|
| 1 | 27 |
12.7%
|
|
| 2 | 49 |
23%
|
|
| 3 | 92 |
43.2%
|
|
| 4 | 24 |
11.3%
|
|
| Sysmiss | 71 |