| Value | Category | Cases | |
|---|---|---|---|
| 1 | 3 |
3.9%
|
|
| 2 | 16 |
20.8%
|
|
| 3 | 19 |
24.7%
|
|
| 4 | 15 |
19.5%
|
|
| 5 | 11 |
14.3%
|
|
| 6 | 8 |
10.4%
|
|
| 7 | 5 |
6.5%
|
|
| Sysmiss | 1924 |