| Value | Category | Cases | |
|---|---|---|---|
| 0 | 1 |
5.9%
|
|
| 1 | 5 |
29.4%
|
|
| 2 | 5 |
29.4%
|
|
| 3 | 3 |
17.6%
|
|
| 6 | 1 |
5.9%
|
|
| 7 | 1 |
5.9%
|
|
| 30 | 1 |
5.9%
|
|
| Sysmiss | 2621 |