| Value | Category | Cases | |
|---|---|---|---|
| 1 | 226 |
9.7%
|
|
| 2 | 408 |
17.6%
|
|
| 3 | 528 |
22.7%
|
|
| 4 | 403 |
17.3%
|
|
| 5 | 469 |
20.2%
|
|
| 6 | 290 |
12.5%
|
|
| Sysmiss | 668 |