| Value | Category | Cases | |
|---|---|---|---|
| 0 | 14 |
36.8%
|
|
| 1 | 13 |
34.2%
|
|
| 2 | 7 |
18.4%
|
|
| 3 | 2 |
5.3%
|
|
| 4 | 1 |
2.6%
|
|
| 20 | 1 |
2.6%
|
|
| Sysmiss | 2233 |