| Value | Category | Cases | |
|---|---|---|---|
| 0 | 21 |
38.2%
|
|
| 1 | 18 |
32.7%
|
|
| 2 | 10 |
18.2%
|
|
| 3 | 1 |
1.8%
|
|
| 6 | 1 |
1.8%
|
|
| 7 | 2 |
3.6%
|
|
| 11 | 2 |
3.6%
|
|
| Sysmiss | 2893 |