| Value | Category | Cases | |
|---|---|---|---|
| 0 | 158 |
1.2%
|
|
| 1 | 157 |
1.1%
|
|
| 2 | 317 |
2.3%
|
|
| 3 | 618 |
4.5%
|
|
| 4 | 1333 |
9.7%
|
|
| 5 | 3091 |
22.5%
|
|
| 6 | 5334 |
38.9%
|
|
| 7 | 2702 |
19.7%
|
|
| Sysmiss | 577 |