| Value | Category | Cases | |
|---|---|---|---|
| 0 | 14 |
70%
|
|
| 1 | 3 |
15%
|
|
| 3 | 1 |
5%
|
|
| 4 | 1 |
5%
|
|
| 13 | 1 |
5%
|
|
| Sysmiss | 1931 |