| Value | Category | Cases | |
|---|---|---|---|
| 1 | 1991 |
13.5%
|
|
| 2 | 4538 |
30.7%
|
|
| 3 | 3369 |
22.8%
|
|
| 4 | 4868 |
33%
|
|
| Sysmiss | 35710 |