| Value | Category | Cases | |
|---|---|---|---|
| 0 | 74 |
3.2%
|
|
| 1 | 560 |
23.9%
|
|
| 2 | 837 |
35.7%
|
|
| 3 | 366 |
15.6%
|
|
| 4 | 232 |
9.9%
|
|
| 5 | 275 |
11.7%
|
|
| Sysmiss | 155 |