| Value | Category | Cases | |
|---|---|---|---|
| 0 | 749 |
28.1%
|
|
| 1 | 329 |
12.3%
|
|
| 2 | 336 |
12.6%
|
|
| 3 | 420 |
15.7%
|
|
| 4 | 422 |
15.8%
|
|
| 5 | 299 |
11.2%
|
|
| 6 | 114 |
4.3%
|
|
| Sysmiss | 658 |