| Value | Category | Cases | |
|---|---|---|---|
| 1 | 14 |
35.9%
|
|
| 2 | 11 |
28.2%
|
|
| 3 | 8 |
20.5%
|
|
| 4 | 6 |
15.4%
|
|
| Sysmiss | 2006 |