| Value | Category | Cases | |
|---|---|---|---|
| 1 | 4296 |
20.9%
|
|
| 2 | 469 |
2.3%
|
|
| 3 | 287 |
1.4%
|
|
| 4 | 15523 |
75.4%
|
|
| Sysmiss | 32 |