| Value | Category | Cases | |
|---|---|---|---|
| 0 | 37 |
1.5%
|
|
| 1 | 564 |
22.4%
|
|
| 2 | 177 |
7%
|
|
| 3 | 951 |
37.8%
|
|
| 4 | 146 |
5.8%
|
|
| 5 | 640 |
25.4%
|
|
| Sysmiss | 624 |