| Value | Category | Cases | |
|---|---|---|---|
| 1 | 2160 |
11.7%
|
|
| 2 | 3019 |
16.4%
|
|
| 3 | 6591 |
35.8%
|
|
| 4 | 1494 |
8.1%
|
|
| 9 | 5147 |
28%
|
|
| Sysmiss | 213 |