| Value | Category | Cases | |
|---|---|---|---|
| 0 | 446 |
14.9%
|
|
| 1 | 538 |
17.9%
|
|
| 2 | 764 |
25.5%
|
|
| 3 | 635 |
21.2%
|
|
| 4 | 498 |
16.6%
|
|
| 5 | 117 |
3.9%
|
|
| Sysmiss | 1 |