| Value | Category | Cases | |
|---|---|---|---|
| 0 | 5 |
25%
|
|
| 1 | 11 |
55%
|
|
| 2 | 1 |
5%
|
|
| 3 | 1 |
5%
|
|
| 8 | 1 |
5%
|
|
| 15 | 1 |
5%
|
|
| Sysmiss | 6937 |