| Value | Category | Cases | |
|---|---|---|---|
| 0 | 18 |
45%
|
|
| 1 | 2 |
5%
|
|
| 2 | 1 |
2.5%
|
|
| 3 | 13 |
32.5%
|
|
| 4 | 2 |
5%
|
|
| 5 | 2 |
5%
|
|
| 6 | 1 |
2.5%
|
|
| 11 | 1 |
2.5%
|
|
| Sysmiss | 330 |