| Value | Category | Cases | |
|---|---|---|---|
| 0 | 7 |
1.2%
|
|
| 1 | 55 |
9.6%
|
|
| 2 | 68 |
11.9%
|
|
| 3 | 66 |
11.6%
|
|
| 4 | 32 |
5.6%
|
|
| 5 | 115 |
20.2%
|
|
| 6 | 94 |
16.5%
|
|
| 7 | 133 |
23.3%
|
|
| Sysmiss | 718 |