| Value | Category | Cases | |
|---|---|---|---|
| 0 | 14 |
18.2%
|
|
| 2 | 54 |
70.1%
|
|
| 6 | 2 |
2.6%
|
|
| 7 | 5 |
6.5%
|
|
| 9 | 2 |
2.6%
|
|
| Sysmiss | 1134 |