| Value | Category | Cases | |
|---|---|---|---|
| 2 | 1 |
1.2%
|
|
| 3 | 10 |
12.2%
|
|
| 4 | 29 |
35.4%
|
|
| 5 | 15 |
18.3%
|
|
| 6 | 19 |
23.2%
|
|
| 7 | 8 |
9.8%
|
|
| Sysmiss | 91 |