| Value | Category | Cases | |
|---|---|---|---|
| 0 | 11 |
39.3%
|
|
| 1 | 9 |
32.1%
|
|
| 2 | 5 |
17.9%
|
|
| 3 | 2 |
7.1%
|
|
| 17 | 1 |
3.6%
|
|
| Sysmiss | 630 |