| Value | Category | Cases | |
|---|---|---|---|
| 0 | 1 |
2%
|
|
| 1 | 23 |
46.9%
|
|
| 2 | 15 |
30.6%
|
|
| 3 | 6 |
12.2%
|
|
| 4 | 3 |
6.1%
|
|
| 9 | 1 |
2%
|
|
| Sysmiss | 34 |