| Value | Category | Cases | |
|---|---|---|---|
| 0 | 16 |
2.8%
|
|
| 1 | 87 |
15.3%
|
|
| 2 | 170 |
29.9%
|
|
| 3 | 162 |
28.5%
|
|
| 4 | 103 |
18.1%
|
|
| 5 | 30 |
5.3%
|
|
| Sysmiss | 263 |