| Value | Category | Cases | |
|---|---|---|---|
| 0 | 18 |
38.3%
|
|
| 1 | 12 |
25.5%
|
|
| 2 | 5 |
10.6%
|
|
| 3 | 7 |
14.9%
|
|
| 4 | 4 |
8.5%
|
|
| 6 | 1 |
2.1%
|
|
| Sysmiss | 6708 |