| Value | Category | Cases | |
|---|---|---|---|
| 0 | 24 |
3.6%
|
|
| 1 | 12 |
1.8%
|
|
| 2 | 27 |
4.1%
|
|
| 3 | 49 |
7.4%
|
|
| 4 | 152 |
22.9%
|
|
| 5 | 293 |
44.1%
|
|
| 6 | 108 |
16.2%
|
|
| Sysmiss | 1285 |