| Value | Category | Cases | |
|---|---|---|---|
| 1 | 15 |
62.5%
|
|
| 2 | 3 |
12.5%
|
|
| 3 | 3 |
12.5%
|
|
| 4 | 1 |
4.2%
|
|
| 8 | 1 |
4.2%
|
|
| 9 | 1 |
4.2%
|
|
| Sysmiss | 2010 |