| Value | Category | Cases | |
|---|---|---|---|
| 0 | 1 |
2.9%
|
|
| 1 | 7 |
20%
|
|
| 2 | 3 |
8.6%
|
|
| 3 | 16 |
45.7%
|
|
| 4 | 1 |
2.9%
|
|
| 5 | 1 |
2.9%
|
|
| 6 | 6 |
17.1%
|
|
| Sysmiss | 964 |