| Value | Category | Cases | |
|---|---|---|---|
| 1 | 223 |
9.6%
|
|
| 2 | 437 |
18.8%
|
|
| 3 | 521 |
22.4%
|
|
| 4 | 469 |
20.2%
|
|
| 5 | 495 |
21.3%
|
|
| 6 | 179 |
7.7%
|
|
| Sysmiss | 668 |