| Value | Category | Cases | |
|---|---|---|---|
| 0 | 3 |
7%
|
|
| 1 | 1 |
2.3%
|
|
| 2 | 10 |
23.3%
|
|
| 3 | 5 |
11.6%
|
|
| 4 | 22 |
51.2%
|
|
| 5 | 2 |
4.7%
|
|
| Sysmiss | 267 |