| Value | Category | Cases | |
|---|---|---|---|
| 1 | 20 |
2.2%
|
|
| 2 | 12 |
1.3%
|
|
| 3 | 45 |
4.9%
|
|
| 4 | 95 |
10.4%
|
|
| 5 | 188 |
20.5%
|
|
| 6 | 338 |
36.9%
|
|
| 7 | 217 |
23.7%
|
|
| Sysmiss | 362 |