| Value | Category | Cases | |
|---|---|---|---|
| 0 | 145 |
6.7%
|
|
| 1 | 255 |
11.9%
|
|
| 2 | 798 |
37.1%
|
|
| 3 | 287 |
13.3%
|
|
| 4 | 506 |
23.5%
|
|
| 5 | 160 |
7.4%
|
|
| Sysmiss | 12 |