| Value | Category | Cases | |
|---|---|---|---|
| 0 | 20 |
2.3%
|
|
| 1 | 175 |
20.1%
|
|
| 2 | 164 |
18.9%
|
|
| 3 | 142 |
16.3%
|
|
| 4 | 94 |
10.8%
|
|
| 5 | 24 |
2.8%
|
|
| 6 | 251 |
28.9%
|
|
| Sysmiss | 23942 |