| Value | Category | Cases | |
|---|---|---|---|
| 0 | 8 |
17.8%
|
|
| 1 | 19 |
42.2%
|
|
| 2 | 9 |
20%
|
|
| 3 | 6 |
13.3%
|
|
| 4 | 2 |
4.4%
|
|
| 6 | 1 |
2.2%
|
|
| Sysmiss | 1437 |