| Value | Category | Cases | |
|---|---|---|---|
| 0 | 15 |
46.9%
|
|
| 1 | 11 |
34.4%
|
|
| 2 | 4 |
12.5%
|
|
| 4 | 1 |
3.1%
|
|
| 7 | 1 |
3.1%
|
|
| Sysmiss | 201 |