| Value | Category | Cases | |
|---|---|---|---|
| 1 | 1277 |
6.5%
|
|
| 2 | 2083 |
10.6%
|
|
| 3 | 2871 |
14.5%
|
|
| 4 | 13502 |
68.4%
|
|
| Sysmiss | 22 |