| Value | Category | Cases | |
|---|---|---|---|
| 0 | 150 |
1.2%
|
|
| 1 | 408 |
3.2%
|
|
| 2 | 834 |
6.6%
|
|
| 3 | 1885 |
14.9%
|
|
| 4 | 2610 |
20.6%
|
|
| 5 | 3597 |
28.4%
|
|
| 6 | 3191 |
25.2%
|
|
| Sysmiss | 3895 |