| Value | Category | Cases | |
|---|---|---|---|
| 0 | 35 |
71.4%
|
|
| 1 | 9 |
18.4%
|
|
| 2 | 2 |
4.1%
|
|
| 3 | 1 |
2%
|
|
| 4 | 1 |
2%
|
|
| 18 | 1 |
2%
|
|
| Sysmiss | 1 |