| Value | Category | Cases | |
|---|---|---|---|
| 0 | 3 |
5.1%
|
|
| 1 | 12 |
20.3%
|
|
| 2 | 18 |
30.5%
|
|
| 3 | 13 |
22%
|
|
| 4 | 10 |
16.9%
|
|
| 5 | 1 |
1.7%
|
|
| 6 | 1 |
1.7%
|
|
| 9 | 1 |
1.7%
|
|
| Sysmiss | 645 |