| Value | Category | Cases | |
|---|---|---|---|
| 1 | 1388 |
8.7%
|
|
| 2 | 3846 |
24.1%
|
|
| 3 | 7556 |
47.4%
|
|
| 4 | 3163 |
19.8%
|
|
| Sysmiss | 487 |