| Value | Category | Cases | |
|---|---|---|---|
| 0 | 276 |
12.8%
|
|
| 1 | 272 |
12.6%
|
|
| 2 | 695 |
32.2%
|
|
| 3 | 511 |
23.7%
|
|
| 4 | 404 |
18.7%
|
|
| Sysmiss | 5 |