| Value | Category | Cases | |
|---|---|---|---|
| 0 | 403 |
18.7%
|
|
| 1 | 275 |
12.8%
|
|
| 2 | 669 |
31.1%
|
|
| 3 | 597 |
27.7%
|
|
| 4 | 210 |
9.7%
|
|
| Sysmiss | 9 |