| Value | Category | Cases | |
|---|---|---|---|
| 0 | 184 |
7.6%
|
|
| 1 | 121 |
5%
|
|
| 2 | 423 |
17.5%
|
|
| 3 | 523 |
21.6%
|
|
| 4 | 577 |
23.8%
|
|
| 5 | 410 |
16.9%
|
|
| 6 | 182 |
7.5%
|
|
| Sysmiss | 3726 |