| Value | Category | Cases | |
|---|---|---|---|
| 0 | 199 |
7.4%
|
|
| 1 | 335 |
12.5%
|
|
| 2 | 395 |
14.7%
|
|
| 3 | 416 |
15.5%
|
|
| 4 | 508 |
18.9%
|
|
| 5 | 561 |
20.9%
|
|
| 6 | 270 |
10.1%
|
|
| Sysmiss | 643 |