| Value | Category | Cases | |
|---|---|---|---|
| 0 | 138 |
6.5%
|
|
| 1 | 407 |
19.1%
|
|
| 2 | 795 |
37.3%
|
|
| 3 | 548 |
25.7%
|
|
| 4 | 206 |
9.7%
|
|
| 5 | 39 |
1.8%
|
|
| Sysmiss | 30 |