| Value | Category | Cases | |
|---|---|---|---|
| 0 | 511 |
3.1%
|
|
| 1 | 827 |
5.1%
|
|
| 2 | 3351 |
20.6%
|
|
| 3 | 6081 |
37.3%
|
|
| 4 | 3549 |
21.8%
|
|
| 5 | 1451 |
8.9%
|
|
| 6 | 525 |
3.2%
|
|
| Sysmiss | 275 |