| Value | Category | Cases | |
|---|---|---|---|
| 1 | 33 |
1.4%
|
|
| 2 | 211 |
9.1%
|
|
| 3 | 437 |
18.8%
|
|
| 4 | 755 |
32.5%
|
|
| 5 | 717 |
30.9%
|
|
| 6 | 171 |
7.4%
|
|
| Sysmiss | 668 |