| Value | Category | Cases | |
|---|---|---|---|
| 0 | 56 |
47.1%
|
|
| 1 | 37 |
31.1%
|
|
| 2 | 19 |
16%
|
|
| 3 | 6 |
5%
|
|
| 6 | 1 |
0.8%
|
|
| Sysmiss | 81 |