| Value | Category | Cases | |
|---|---|---|---|
| 0 | 856 |
31.9%
|
|
| 1 | 218 |
8.1%
|
|
| 2 | 260 |
9.7%
|
|
| 3 | 406 |
15.1%
|
|
| 4 | 506 |
18.9%
|
|
| 5 | 438 |
16.3%
|
|
| Sysmiss | 643 |