| Value | Category | Cases | |
|---|---|---|---|
| 1 | 1286 |
5.2%
|
|
| 2 | 897 |
3.6%
|
|
| 3 | 1435 |
5.8%
|
|
| 4 | 20970 |
85.3%
|
|
| Sysmiss | 582 |