| Value | Category | Cases | |
|---|---|---|---|
| 0 | 4 |
7.1%
|
|
| 1 | 24 |
42.9%
|
|
| 2 | 18 |
32.1%
|
|
| 3 | 5 |
8.9%
|
|
| 4 | 2 |
3.6%
|
|
| 5 | 2 |
3.6%
|
|
| 7 | 1 |
1.8%
|
|
| Sysmiss | 174 |