| Value | Category | Cases | |
|---|---|---|---|
| 1 | 1 |
1.7%
|
|
| 2 | 1 |
1.7%
|
|
| 9 | 9 |
15%
|
|
| 10 | 19 |
31.7%
|
|
| 11 | 18 |
30%
|
|
| 12 | 12 |
20%
|
|
| Sysmiss | 559 |