| Value | Category | Cases | |
|---|---|---|---|
| 0 | 21 |
7.9%
|
|
| 1 | 16 |
6%
|
|
| 2 | 34 |
12.8%
|
|
| 3 | 88 |
33.1%
|
|
| 4 | 107 |
40.2%
|
|
| Sysmiss | 18 |