| Value | Category | Cases | |
|---|---|---|---|
| 0 | 8 |
40%
|
|
| 1 | 9 |
45%
|
|
| 2 | 1 |
5%
|
|
| 3 | 1 |
5%
|
|
| 20 | 1 |
5%
|
|
| Sysmiss | 264 |