| Value | Category | Cases | |
|---|---|---|---|
| 0 | 2 |
2.1%
|
|
| 1 | 32 |
34%
|
|
| 2 | 20 |
21.3%
|
|
| 3 | 19 |
20.2%
|
|
| 4 | 12 |
12.8%
|
|
| 6 | 9 |
9.6%
|
|
| Sysmiss | 6463 |