| Value | Category | Cases | |
|---|---|---|---|
| 1 | 431 |
28.6%
|
|
| 2 | 580 |
38.5%
|
|
| 3 | 293 |
19.5%
|
|
| 4 | 202 |
13.4%
|
|
| Sysmiss | 1353 |