| Value | Category | Cases | |
|---|---|---|---|
| 0 | 6 |
15.8%
|
|
| 1 | 18 |
47.4%
|
|
| 2 | 8 |
21.1%
|
|
| 3 | 2 |
5.3%
|
|
| 4 | 1 |
2.6%
|
|
| 7 | 1 |
2.6%
|
|
| 9 | 1 |
2.6%
|
|
| 12 | 1 |
2.6%
|
|
| Sysmiss | 523 |