| Value | Category | Cases | |
|---|---|---|---|
| 0 | 1 |
1.2%
|
|
| 1 | 4 |
4.8%
|
|
| 2 | 9 |
10.8%
|
|
| 3 | 4 |
4.8%
|
|
| 4 | 26 |
31.3%
|
|
| 5 | 27 |
32.5%
|
|
| 6 | 12 |
14.5%
|
|
| Sysmiss | 31 |