| Value | Category | Cases | |
|---|---|---|---|
| 0 | 426 |
19.8%
|
|
| 1 | 338 |
15.7%
|
|
| 2 | 700 |
32.6%
|
|
| 3 | 499 |
23.2%
|
|
| 4 | 184 |
8.6%
|
|
| Sysmiss | 16 |