| Value | Category | Cases | |
|---|---|---|---|
| 1 | 1092 |
4.4%
|
|
| 2 | 893 |
3.6%
|
|
| 3 | 1870 |
7.6%
|
|
| 4 | 20733 |
84.3%
|
|
| Sysmiss | 582 |