| Value | Category | Cases | |
|---|---|---|---|
| 1 | 438 |
2.9%
|
|
| 2 | 2390 |
15.6%
|
|
| 3 | 8454 |
55%
|
|
| 4 | 4076 |
26.5%
|
|
| Sysmiss | 1212 |