| Value | Category | Cases | |
|---|---|---|---|
| 0 | 30 |
3.9%
|
|
| 1 | 23 |
3%
|
|
| 2 | 22 |
2.9%
|
|
| 3 | 18 |
2.3%
|
|
| 4 | 43 |
5.6%
|
|
| 5 | 136 |
17.7%
|
|
| 6 | 219 |
28.5%
|
|
| 7 | 277 |
36.1%
|
|
| Sysmiss | 37 |