| Value | Category | Cases | |
|---|---|---|---|
| 0 | 3 |
8.1%
|
|
| 1 | 23 |
62.2%
|
|
| 2 | 8 |
21.6%
|
|
| 4 | 1 |
2.7%
|
|
| 6 | 1 |
2.7%
|
|
| 7 | 1 |
2.7%
|
|
| Sysmiss | 1914 |