| Value | Category | Cases | |
|---|---|---|---|
| 0 | 268 |
20.1%
|
|
| 1 | 219 |
16.4%
|
|
| 2 | 218 |
16.4%
|
|
| 3 | 230 |
17.3%
|
|
| 4 | 38 |
2.9%
|
|
| 5 | 104 |
7.8%
|
|
| 6 | 255 |
19.1%
|
|
| Sysmiss | 5 |