| Value | Category | Cases | |
|---|---|---|---|
| 0 | 137 |
6.4%
|
|
| 1 | 138 |
6.4%
|
|
| 2 | 304 |
14.2%
|
|
| 3 | 659 |
30.8%
|
|
| 4 | 903 |
42.2%
|
|
| Sysmiss | 22 |