| Value | Category | Cases | |
|---|---|---|---|
| 0 | 11 |
28.2%
|
|
| 1 | 2 |
5.1%
|
|
| 2 | 25 |
64.1%
|
|
| 7 | 1 |
2.6%
|
|
| Sysmiss | 1906 |